package main

import (
	"errors"
	"log"
	"regexp"
	"strconv"

	"github.com/go-sql-driver/mysql"
)

func initDB() {
	log.Println("Setting up database...")

	tx, err := db.Begin()
	if err != nil {
		log.Fatal(err)
	}
	defer tx.Rollback()

	_, err = tx.Exec("set foreign_key_checks = 0")
	failOnError(err, "initDB : set foreign_key_checks = 0")

	var name string
	rows, err := db.Query("show tables")
	failOnError(err, "initDB : show tables")

	for rows.Next() {
		err = rows.Scan(&name)
		failOnError(err, "initDB : show tables listing")

		if ok, _ := regexp.MatchString(`^.*_v$`, name); ok {
			_, err = tx.Exec("drop view " + name)
			failOnError(err, "initDB : drop view "+name)
		} else {
			_, err = tx.Exec("drop table " + name)
			failOnError(err, "initDB : drop table "+name)
		}
	}
	err = rows.Err()
	failOnError(err, "initDB : show tables listing end")
	rows.Close()

	_, err = tx.Exec("set foreign_key_checks = 1")
	failOnError(err, "initDB : set foreign_key_checks = 1")

	err = tx.Commit()
	failOnError(err, "initDB : commit cleanup")

	log.Println("initDB : Database cleaned up")

	_, err = db.Exec(`CREATE TABLE code_obj_type (
							 id			SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
							,intl_id	VARCHAR(32) NOT NULL
							,name		VARCHAR(80) NOT NULL
							,PRIMARY KEY (id)
							,UNIQUE KEY (intl_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table code_obj_type")
	log.Println("initDB : code_obj_type created ...")

	_, err = db.Exec(`CREATE TABLE code_obj_sub_type (
							 id 		 SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
							,intl_id 	 VARCHAR(32) NOT NULL
							,name 		 VARCHAR(80) NOT NULL
							,obj_type_id SMALLINT UNSIGNED NOT NULL
							,PRIMARY KEY (id)
							,UNIQUE KEY (intl_id)
							,FOREIGN KEY (obj_type_id) REFERENCES code_obj_type(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table code_obj_sub_type")
	log.Println("initDB : code_obj_sub_type created ...")

	_, err = db.Exec(`CREATE TABLE code_obj_classif (
							 id			 SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
							,intl_id	 VARCHAR(32) NOT NULL
							,name		 VARCHAR(80) NOT NULL
							,obj_type_id SMALLINT UNSIGNED NOT NULL
							,PRIMARY KEY (id)
							,UNIQUE KEY (intl_id)
							,FOREIGN KEY (obj_type_id) REFERENCES code_obj_type(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table code_obj_type")
	log.Println("initDB : code_obj_classif created ...")

	_, err = db.Exec(`CREATE TABLE code_obj_class (
							 id 		    SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
							,intl_id 	    VARCHAR(32) NOT NULL
							,name 		    VARCHAR(80) NOT NULL
							,obj_classif_id SMALLINT UNSIGNED NOT NULL
							,PRIMARY KEY (id)
							,UNIQUE KEY (intl_id)
							,FOREIGN KEY (obj_classif_id) REFERENCES code_obj_classif(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table code_obj_class")
	log.Println("initDB : code_obj_class created ...")

	_, err = db.Exec(`CREATE TABLE obj (
							 id				 BIGINT UNSIGNED NOT NULL AUTO_INCREMENT
							,obj_type_id	 SMALLINT UNSIGNED NOT NULL
							,obj_sub_type_id SMALLINT UNSIGNED NOT NULL
							,timestamp		 TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
							,PRIMARY KEY (id)
							,FOREIGN KEY (obj_type_id) REFERENCES code_obj_type(id) ON DELETE CASCADE
							,FOREIGN KEY (obj_sub_type_id) REFERENCES code_obj_sub_type(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB AUTO_INCREMENT = 0 CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj")
	log.Println("initDB : obj created ...")

	_, err = db.Exec(`CREATE TABLE obj_class (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,obj_classif_id SMALLINT UNSIGNED NOT NULL
							,obj_class_id   SMALLINT UNSIGNED NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (obj_classif_id) REFERENCES code_obj_classif(id) ON DELETE CASCADE
							,FOREIGN KEY (obj_class_id) REFERENCES code_obj_class(id) ON DELETE CASCADE
							,UNIQUE KEY (obj_id, obj_classif_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_class")
	log.Println("initDB : obj_class created ...")

	_, err = db.Exec(`CREATE TABLE obj_item (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,intl_id        VARCHAR(32)
							,weight         SMALLINT NOT NULL
							,exchange       TINYINT NOT NULL
							,auction        TINYINT NOT NULL
							,craftable      TINYINT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,UNIQUE KEY (intl_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_item")
	log.Println("initDB : obj_item created ...")

	_, err = db.Exec(`CREATE TABLE obj_craft (
	                         obj_id			BIGINT UNSIGNED NOT NULL
	                        ,cmd            VARCHAR(32)
	                        ,mana           INT NOT NULL
	                        ,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
	                        ,UNIQUE KEY (cmd)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_craft")
	log.Println("initDB : obj_craft created ...")

	_, err = db.Exec(`CREATE TABLE obj_craft_item (
	                         obj_id			BIGINT UNSIGNED NOT NULL
	                        ,item_id		BIGINT UNSIGNED NOT NULL
	                        ,quantity       INT NOT NULL
	                        ,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
	                        ,FOREIGN KEY (item_id) REFERENCES obj(id) ON DELETE CASCADE
	                        ,UNIQUE KEY (obj_id, item_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_craft_item")
	log.Println("initDB : obj_craft_item created ...")

	_, err = db.Exec(`CREATE TABLE obj_castle (
							 obj_id				BIGINT UNSIGNED NOT NULL
							,logo               VARCHAR(32) NOT NULL
							,name				VARCHAR(80) NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_castle")
	log.Println("initDB : obj_guild created ...")

	_, err = db.Exec(`CREATE TABLE obj_guild (
							 obj_id				BIGINT UNSIGNED NOT NULL
							,tag				VARCHAR(32) NOT NULL
							,name				VARCHAR(80) NOT NULL
							,chat_id			BIGINT
							,deposit_chat_id	BIGINT
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_guild")
	log.Println("initDB : obj_guild created ...")

	_, err = db.Exec(`CREATE TABLE obj_user (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,name			VARCHAR(80) NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_user")
	log.Println("initDB : obj_user created ...")

	_, err = db.Exec(`CREATE TABLE obj_war (
							 obj_id				BIGINT UNSIGNED NOT NULL AUTO_INCREMENT
							,start_time			DATETIME NOT NULL
							,end_time           DATETIME NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_war")
	log.Println("initDB : obj_war created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg (
							 obj_id         BIGINT UNSIGNED NOT NULL
							,msg_id			BIGINT NOT NULL
							,chat_id        BIGINT NOT NULL
							,user_id        BIGINT NOT NULL CHECK (user_id > 0)
							,sender_user_id BIGINT NOT NULL CHECK (sender_user_id > 0)
							,date           DATETIME NOT NULL
							,text           VARCHAR(4096) NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,UNIQUE KEY (msg_id, chat_id, user_id, sender_user_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg")
	log.Println("initDB : obj_msg created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_callback (
							 obj_id         BIGINT UNSIGNED NOT NULL
							,name           VARCHAR(128) NOT NULL
							,data           VARBINARY(256) NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,UNIQUE KEY (obj_id, name)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_callback")
	log.Println("initDB : obj_msg_callback created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_pillage_inc (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,attacker		VARCHAR(32)
							,guild			VARCHAR(32)
							,castle_id		BIGINT UNSIGNED NOT NULL		
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_report")
	log.Println("initDB : obj_msg_report created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_report (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,war_id			BIGINT UNSIGNED NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (war_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_report")
	log.Println("initDB : obj_msg_report created ...")

	_, err = db.Exec(`CREATE TABLE obj_war_report (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,user_id        BIGINT UNSIGNED NOT NULL
							,war_id			BIGINT UNSIGNED NOT NULL
							,attack			SMALLINT UNSIGNED NOT NULL
							,defense		SMALLINT UNSIGNED NOT NULL
							,gold			SMALLINT UNSIGNED NOT NULL
							,stock			SMALLINT UNSIGNED NOT NULL
							,exp			SMALLINT UNSIGNED NOT NULL
							,stamina		TINYINT NOT NULL
							,crit			TINYINT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (war_id) REFERENCES obj(id) ON DELETE CASCADE
							,UNIQUE KEY (user_id, war_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_war_report")
	log.Println("initDB : obj_war_report created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_auction_announce (
							 obj_id			  BIGINT UNSIGNED NOT NULL
							,lot_id           BIGINT UNSIGNED NOT NULL
							,item_id		  BIGINT UNSIGNED
							,cond			  VARCHAR(32)
							,quality		  VARCHAR(32)
							,seller_castle_id BIGINT UNSIGNED
							,seller_guild_id  BIGINT UNSIGNED
							,seller_id        BIGINT UNSIGNED
							,buyer_castle_id  BIGINT UNSIGNED
							,buyer_guild_id   BIGINT UNSIGNED
							,buyer_id         BIGINT UNSIGNED
							,price            SMALLINT NOT NULL
							,status			  VARCHAR(32)
							,end			  DATETIME NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (seller_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (buyer_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (seller_guild_id) REFERENCES obj_guild(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (buyer_guild_id) REFERENCES obj_guild(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (seller_castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (buyer_castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
							,KEY (lot_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_auction_announce")
	log.Println("initDB : obj_msg_auction_announce created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_duel_fight (
							 obj_id		BIGINT UNSIGNED NOT NULL
							,win_castle_id	BIGINT UNSIGNED NOT NULL
							,win_guild_id   BIGINT UNSIGNED
							,win_user_id    BIGINT UNSIGNED NOT NULL
							,win_life       SMALLINT NOT NULL
							,loss_castle_id BIGINT UNSIGNED NOT NULL
							,loss_guild_id  BIGINT UNSIGNED
							,loss_user_id   BIGINT UNSIGNED NOT NULL
							,loss_life      SMALLINT NOT NULL
							,exp            INT UNSIGNED NOT NULL
							,weapon         VARCHAR(80)
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (win_castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (loss_castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (win_guild_id) REFERENCES obj_guild(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (loss_guild_id) REFERENCES obj_guild(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (win_user_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (loss_user_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_duel_fight")
	log.Println("initDB : obj_msg_duel_fight created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_auction_upd_req (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,lot_id         BIGINT UNSIGNED NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,KEY (lot_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_auction_upd_req")
	log.Println("initDB : obj_msg_auction_upd_req created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_auction_upd_ack (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,seller         VARCHAR(32)
							,buyer			VARCHAR(32)
							,item			VARCHAR(80)
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_auction_upd_ack")
	log.Println("initDB : obj_msg_auction_upd_ack created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_exp (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,exp            INT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_exp")
	log.Println("initDB : obj_msg_exp created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_gold (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,gold           INT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_gold")
	log.Println("initDB : obj_msg_gold created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_item (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,item_id        BIGINT UNSIGNED NOT NULL
							,quantity       INT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (item_id) REFERENCES obj_item(obj_id) ON DELETE CASCADE
							,UNIQUE KEY (obj_id, item_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_item")
	log.Println("initDB : obj_msg_item created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_tribute (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,user_id        BIGINT UNSIGNED NOT NULL
							,item_id        BIGINT UNSIGNED NOT NULL
							,quantity       SMALLINT NOT NULL
							,xp             SMALLINT NOT NULL
							,date           DATETIME NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (user_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,FOREIGN KEY (item_id) REFERENCES obj_item(obj_id) ON DELETE CASCADE
							,UNIQUE KEY (user_id, date)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_tribute")
	log.Println("initDB : obj_msg_tribute created ...")

	_, err = db.Exec(`CREATE TABLE obj_msg_shop_main (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,name           VARCHAR(80)
							,link           VARCHAR(80)
							,number         INT UNSIGNED NOT NULL
							,user           VARCHAR(80)
							,mana           INT UNSIGNED NOT NULL
							,mana_total     INT UNSIGNED NOT NULL
							,class          VARCHAR(80)
							,castle_id      BIGINT UNSIGNED NOT NULL
							,fees           VARCHAR(80)
							,guru           VARCHAR(80)
							,open           TINYINT NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (castle_id) REFERENCES obj_castle(obj_id) ON DELETE CASCADE
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_msg_shop_main")
	log.Println("initDB : obj_msg_shop_main created ...")

	_, err = db.Exec(`CREATE TABLE obj_tribute (
							 tg_user_id		BIGINT UNSIGNED NOT NULL
							,item_id        BIGINT UNSIGNED NOT NULL							
							,quantity       INT NOT NULL
							,exp            INT NOT NULL
							,date           DATETIME NOT NULL
							,FOREIGN KEY (item_id) REFERENCES obj_item(obj_id) ON DELETE CASCADE
							,UNIQUE KEY (tg_user_id, item_id, quantity, exp, date)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_tribute")
	log.Println("initDB : obj_tribute created ...")

	_, err = db.Exec(`CREATE TABLE msg_rules (
							 id             SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
							,prio           SMALLINT NOT NULL
							,descn          VARCHAR(32) NOT NULL
							,rule           VARCHAR(4096) NOT NULL
							,msg_type_id	SMALLINT UNSIGNED NOT NULL
							,chat_id        BIGINT NOT NULL
							,user_id        BIGINT NOT NULL
							,UNIQUE KEY (id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table msg_rules")
	log.Println("initDB : msg_rules created ...")

	_, err = db.Exec(`CREATE TABLE obj_xp (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,user_id        BIGINT UNSIGNED NOT NULL
							,val            BIGINT UNSIGNED NOT NULL
							,target         BIGINT UNSIGNED NOT NULL
							,level          SMALLINT UNSIGNED NOT NULL       
							,date           DATETIME NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (user_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,UNIQUE KEY (user_id, date)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_xp")
	log.Println("initDB : obj_xp created ...")

	_, err = db.Exec(`CREATE TABLE obj_quest (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,user_id        BIGINT UNSIGNED NOT NULL
							,duration       SMALLINT UNSIGNED NOT NULL       
							,date           DATETIME NOT NULL
							,exp            INT UNSIGNED NOT NULL
							,gold           INT UNSIGNED NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,FOREIGN KEY (user_id) REFERENCES obj_user(obj_id) ON DELETE CASCADE
							,UNIQUE KEY (user_id, date)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;`)
	failOnError(err, "initDB : create table obj_quest")
	log.Println("initDB : obj_xp obj_quest ...")

	_, err = db.Exec(`CREATE TABLE obj_job (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,priority		SMALLINT NOT NULL
							,user_id        BIGINT UNSIGNED NOT NULL
							,trigger_id		BIGINT UNSIGNED NOT NULL
							,schedule		DATETIME NOT NULL
							,is_done		TINYINT NOT NULL
							,in_work		TINYINT	NOT NULL
							,seq_nr         BIGINT UNSIGNED
							,inserted		TIMESTAMP
							,pulled			TIMESTAMP
							,started		TIMESTAMP
							,ended			TIMESTAMP
							,timeout		TIMESTAMP
							,zipped         TINYINT NOT NULL
							,payload		VARBINARY(20000)
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,KEY (is_done)
							,KEY (in_work)
							,KEY (user_id)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_job")
	log.Println("initDB : obj_job created ...")

	_, err = db.Exec(`CREATE TABLE obj_name (
							 obj_id			BIGINT UNSIGNED NOT NULL
							,name           VARCHAR(80)
							,priority       INT UNSIGNED NOT NULL
							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
							,UNIQUE KEY(name)
						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_bin;`)
	failOnError(err, "initDB : create table obj_name")
	log.Println("initDB : obj_name created ...")

	log.Println("initDB : Database set up")
}

func initDBViews() {
	tx, err := db.Begin()
	if err != nil {
		log.Fatal(err)
	}
	defer tx.Rollback()

	_, err = tx.Exec("set foreign_key_checks = 0")
	failOnError(err, "initDBViews : set foreign_key_checks = 0")

	var name string
	rows, err := db.Query("show tables")
	failOnError(err, "initDBViews : show tables")

	for rows.Next() {
		err = rows.Scan(&name)
		failOnError(err, "initDBViews : show tables listing")

		if ok, _ := regexp.MatchString(`^.*_v$`, name); ok {
			_, err = tx.Exec("drop view " + name)
			failOnError(err, "initDBViews : drop view "+name)
		}
	}
	err = rows.Err()
	failOnError(err, "initDBViews : show tables listing end")
	rows.Close()

	_, err = tx.Exec("set foreign_key_checks = 1")
	failOnError(err, "initDBViews : set foreign_key_checks = 1")

	err = tx.Commit()
	failOnError(err, "initDBViews : commit cleanup")

	log.Println("initDBViews : Views cleaned up")

	_, err = db.Exec(`CREATE VIEW obj_user_v AS
                           SELECT ou.obj_id
                                 ,ou.name COLLATE utf8mb4_unicode_ci AS name
                             FROM obj_user ou;`)
	failOnError(err, "initDBViews : create view obj_user_v")
	log.Println("initDBViews : obj_user_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_msg_v AS
                           SELECT om.obj_id
                                 ,o.obj_sub_type_id AS msg_type_id
                                 ,cost.intl_id COLLATE utf8mb4_unicode_ci AS msg_type
                                 ,om.msg_id
                                 ,om.chat_id
                                 ,om.user_id
                                 ,om.sender_user_id
                                 ,om.date
                                 ,om.text COLLATE utf8mb4_unicode_ci AS text
                             FROM obj_msg om
                                 ,obj o
                                 ,code_obj_sub_type cost
                            WHERE om.obj_id = o.id
                              AND cost.id = o.obj_sub_type_id;`)
	failOnError(err, "initDBViews : create view obj_msg_v")
	log.Println("initDBViews : obj_msg_v created ...")

	_, err = db.Exec(`CREATE VIEW msg_rules_v AS
                           SELECT r.id
                                 ,r.prio
                                 ,r.descn COLLATE utf8mb4_unicode_ci AS descn
                                 ,r.rule COLLATE utf8mb4_unicode_ci AS rule
                                 ,cost.intl_id COLLATE utf8mb4_unicode_ci AS msg_type
                             FROM msg_rules r
                                 ,code_obj_sub_type cost
                            WHERE cost.id = r.msg_type_id;`)
	failOnError(err, "initDBViews : create table msg_rules_v")
	log.Println("initDBViews : msg_rules_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_name_v AS
                           SELECT obn.obj_id
                                 ,obn.name COLLATE utf8mb4_unicode_ci AS name
                                 ,obn.priority
                             FROM obj_name obn;`)
	failOnError(err, "initDBViews : create view obj_name_v")
	log.Println("initDBViews : obj_name_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_item_name_v AS
                           SELECT obi.obj_id
                                 ,obi.intl_id COLLATE utf8mb4_unicode_ci AS intl_id
                                 ,obn.name COLLATE utf8mb4_unicode_ci AS name
                                 ,obn.priority
                             FROM obj_name obn
                                 ,obj_item obi
                            WHERE obi.obj_id = obn.obj_id
                            ORDER BY obi.intl_id ASC;`)
	failOnError(err, "initDBViews : create view obj_item_name_v")
	log.Println("initDBViews : obj_item_name_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_msg_vault_v AS
                           SELECT obm.sender_user_id user_id
                                 ,obm.chat_id
                                 ,om.obj_sub_type_id msg_type_id
                                 ,omi.item_id
                                 ,oi.obj_sub_type_id item_type_id
                                 ,omi.quantity
                             FROM obj om
                                 ,obj_msg obm
                                 ,obj oi
                                 ,obj_msg_item omi
                            WHERE om.obj_type_id = ` + strconv.FormatInt(cacheObjType[`msg`], 10) + `
                              AND om.obj_sub_type_id in (` + strconv.FormatInt(cacheObjSubType[`msg_withdraw_rcv`], 10) + `, ` + strconv.FormatInt(cacheObjSubType[`msg_g_deposit_ack`], 10) + `)
                              AND obm.obj_id = om.id
                              AND omi.obj_id = om.id
                              AND oi.id = omi.item_id
                            ORDER BY obm.sender_user_id ASC
                                    ,omi.item_id ASC;`)
	failOnError(err, "initDBViews : create view obj_msg_vault_v")
	log.Println("initDBViews : obj_msg_vault_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_msg_callback_v AS
                           SELECT om.obj_id
                                 ,o.obj_sub_type_id AS msg_type_id
                                 ,cost.intl_id COLLATE utf8mb4_unicode_ci AS msg_type
                                 ,om.msg_id
                                 ,om.chat_id
                                 ,omc.name COLLATE utf8mb4_unicode_ci AS name
                                 ,CAST(omc.data as CHAR) data
                             FROM obj_msg om
                                 ,obj o
                                 ,code_obj_sub_type cost
                                 ,obj_msg_callback omc
                            WHERE om.obj_id = o.id
                              AND cost.id = o.obj_sub_type_id
                              AND omc.obj_id = o.id;`)
	failOnError(err, "initDBViews : create view obj_msg_callback_v")
	log.Println("initDBViews : obj_msg_callback_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_shop_main_v AS
                           SELECT omsm.obj_id
                                 ,omsm.name COLLATE utf8mb4_unicode_ci AS name
                                 ,omsm.link COLLATE utf8mb4_unicode_ci AS link
                                 ,omsm.number
                                 ,omsm.user COLLATE utf8mb4_unicode_ci AS user
								 ,oc.name COLLATE utf8mb4_unicode_ci AS castle
                                 ,omsm.mana
                                 ,omsm.mana_total
                                 ,omsm.class COLLATE utf8mb4_unicode_ci AS class
                                 ,omsm.fees COLLATE utf8mb4_unicode_ci AS fees
                                 ,omsm.guru COLLATE utf8mb4_unicode_ci AS guru
                                 ,omsm.open
				                 ,omsm.castle_id
                             FROM obj_msg_shop_main omsm
			                     ,obj_castle oc
                            WHERE oc.obj_id = omsm.castle_id;`)
	failOnError(err, "initDBViews : create view obj_shop_main_v")
	log.Println("initDBViews : obj_shop_main_v created ...")

	_, err = db.Exec(`CREATE VIEW obj_job_v AS
                           SELECT oj.obj_id
                                 ,o.obj_sub_type_id
                                 ,cost.intl_id COLLATE utf8mb4_unicode_ci AS obj_sub_type
                                 ,oj.is_done
                                 ,oj.in_work
                                 ,oj.trigger_id
                                 ,(SELECT costx.intl_id FROM code_obj_sub_type costx, obj ox WHERE ox.id = oj.trigger_id AND costx.id = ox.obj_sub_type_id) COLLATE utf8mb4_unicode_ci AS trigger_sub_type
                                 ,oj.inserted
                                 ,oj.ended 
                             FROM obj o
                                 ,obj_job oj
                                 ,code_obj_sub_type cost
                            WHERE o.id = oj.obj_id
                              AND cost.id = o.obj_sub_type_id;`)
	failOnError(err, "initDBViews : create view obj_job_v")
	log.Println("initDBViews : obj_shop_main_v created ...")

	log.Println("initDBViews : Views set up")
}

func insertObjType(intlId string, name string) error {
	stmt, err := db.Prepare(`INSERT INTO code_obj_type	(intl_id, name)
							 VALUES						(?,       ?);`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(intlId, name)
	if err != nil {
		return err
	}

	return nil
}

func insertObjSubType(intlId string, name string, objType string) error {
	stmt, err := db.Prepare(`INSERT INTO	code_obj_sub_type
	                         SELECT 		null id, ? intl_id, ? name, cot.id
	                         FROM			code_obj_type cot
	                         WHERE			cot.intl_id = ?;`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(intlId, name, objType)
	if err != nil {
		return err
	}

	return nil
}

func insertObjClassif(intlId string, name string, objType string) error {
	stmt, err := db.Prepare(`INSERT INTO	code_obj_classif
	                         SELECT 		null id, ? intl_id, ? name, cot.id obj_type_id
	                         FROM			code_obj_type cot
	                         WHERE			cot.intl_id = ?;`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(intlId, name, objType)
	if err != nil {
		return err
	}

	return nil
}

func insertObjClass(intlId string, name string, objClassif string) error {
	stmt, err := db.Prepare(`INSERT INTO	code_obj_class
	                         SELECT 		null id, ? intl_id, ? name, coc.id obj_classif_id
	                         FROM			code_obj_classif coc
	                         WHERE			coc.intl_id = ?;`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(intlId, name, objClassif)
	if err != nil {
		return err
	}

	return nil
}

func insertMsgItem(objId int64, itemId int64, quantity int64) error {
	stmt, err := db.Prepare(`INSERT INTO obj_msg_item	(obj_id, item_id, quantity)
							 VALUES						(?,      ?,       ?);`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(objId, itemId, quantity)
	if err != nil {
		return err
	}

	return nil
}

func insertMsgReport(objId int64, war_date int32, atk int32, def int32, exp int32, gold int32, stock int32, crit bool, stamina bool) error {
	objSubTypeId, err := getObjSubTypeId(objId)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] {
		return errors.New("Message is not of type Unknown")
	}
	/*
			 obj_id			BIGINT UNSIGNED NOT NULL
			,war_date		TIMESTAMP NOT NULL
			,attack			SMALLINT UNSIGNED NOT NULL
			,defense		SMALLINT UNSIGNED NOT NULL
			,gold			SMALLINT UNSIGNED NOT NULL
			,stock			MALLINT UNSIGNED NOT NULL
			,exp			SMALLINT UNSIGNED NOT NULL
			,stamina		TINYINT NOT NULL
			,crit			TINYINT NOT NULL

		stmt, err := db.Prepare(`INSERT INTO obj_msg_report	(obj_id, war_date, attack, defense, gold, stock, exp, stamina, crit)
								 VALUES 				    (?,      ?,        ?,      ?,       ?,    ?,     ?,   ?,       ?FROM_UNIXTIME(?), ?);`)
		if err != nil {
			return err
		}
		defer stmt.Close()

		_, err = stmt.Exec(objId, m.ID64, m.ChatID64, m.UserID64, m.SenderUserID64, m.Date, m.Text)
		if err != nil {
			return err
		}
	*/
	return nil
}

func insertMsgDuelFight(m *ChatWarsMessageDuelFight) error {
	objSubTypeId, err := getObjSubTypeId(m.ObjID64)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] && objSubTypeId != cacheObjSubType[`msg_duel_fight`] {
		return errors.New("Message type mismatch")
	}

	stmt, err := db.Prepare(`INSERT INTO obj_msg_duel_fight	(obj_id, win_castle_id, win_guild_id, win_user_id, win_life, loss_castle_id, loss_guild_id, loss_user_id, loss_life, weapon)
							 VALUES 				        (?,      ?,             ?,            ?,           ?,        ?,              ?,             ?,            ?,         ?);`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(m.ObjID64, getObjCastleID(m.WinCastle), getObjGuildID(m.WinGuild), getObjUserID(m.WinUser), m.WinLife, getObjCastleID(m.LossCastle), getObjGuildID(m.LossGuild), getObjUserID(m.LossUser), m.LossLife, m.Weapon)
	if err != nil {
		return err
	}

	return nil
}

func insertMsgTributesStats(m *ChatWarsMessageTributesStatsAck) error {
	objSubTypeId, err := getObjSubTypeId(m.Msg.ObjID64)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] && objSubTypeId != cacheObjSubType[`msg_tributes_stats_ack`] {
		return errors.New("Message type mismatch")
	}

	stmt, err := db.Prepare(`INSERT INTO obj_tribute	(tg_user_id, item_id, quantity, exp, date)
								 VALUES 				   	(?,          ?,       ?,        ?,   ?);`)
	logOnError(err, "insertMsgTributesStats : Prepare")
	if err != nil {
		return err
	}
	defer stmt.Close()

	for _, t := range m.Tributes {
		_, err = stmt.Exec(m.Msg.TGUserID64, t.ItemID64, t.Quantity, t.Exp, t.Date)
		mysqlerr, ok := err.(*mysql.MySQLError)
		if ok && mysqlerr.Number == 1062 {
			// duplicate, expected
		} else {
			logOnError(err, "insertMsgTributesStats Exec")
		}
	}

	return nil
}

func insertMsgShopMainAck(m *ChatWarsMessageShopMainAck) error {
	objSubTypeId, err := getObjSubTypeId(m.Msg.ObjID64)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] && objSubTypeId != cacheObjSubType[`msg_shop_main_ack`] {
		return errors.New("Message type mismatch")
	}

	stmt, err := db.Prepare(`INSERT INTO obj_msg_shop_main	(obj_id, name, link, number, user, mana, mana_total, class, castle_id, fees, guru, open)
									VALUES 				   	(?,      ?,    ?,    ?,      ?,    ?,    ?,          ?,     ?,         ?,    ?,    ?);`)
	logOnError(err, "insertMsgShopMainAck : Prepare")
	if err != nil {
		return err
	}
	defer stmt.Close()

	var open int
	if m.Open {
		open = 1
	} else {
		open = 0
	}

	_, err = stmt.Exec(m.Msg.ObjID64, m.Name, m.Link, m.ShopNumber, m.User, m.Mana, m.ManaTotal, m.Class, m.CastleID64, m.Fees, m.Guru, open)
	logOnError(err, "insertMsgShopMainAck Exec")

	return nil

}

func insertMsgAuctionAnnounce(m *ChatWarsMessageAuctionAnnounce) error {
	objSubTypeId, err := getObjSubTypeId(m.ObjID64)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] && objSubTypeId != cacheObjSubType[`msg_auction_announce`] {
		return errors.New("Message type mismatch")
	}

	stmt, err := db.Prepare(`INSERT INTO obj_msg_auction_announce	(obj_id, lot_id, item_id, cond, quality, seller_id, seller_guild_id, seller_castle_id, buyer_id, buyer_guild_id, buyer_castle_id, price, status, end)
							 VALUES 				                (?,      ?,      ?,       ?,    ?,       ?,         ?,               ?,                ?,        ?,              ?,               ?,     ?,      ?);`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(m.ObjID64, m.LotID, m.ItemID64, m.Cond, m.Quality, m.SellerUserID64, m.SellerGuildID64, m.SellerCastleID64, m.BuyerUserID64, m.BuyerGuildID64, m.BuyerCastleID64, m.Price, m.Status, m.End)
	if err != nil {
		return err
	}

	return nil
}

func insertMsgPillageInc(m *ChatWarsMessagePillageInc) error {
	objSubTypeId, err := getObjSubTypeId(m.ObjID64)
	if err != nil {
		return err
	}
	if objSubTypeId != cacheObjSubType[`msg`] && objSubTypeId != cacheObjSubType[`msg_pillage_inc`] && objSubTypeId != cacheObjSubType[`msg_pillage_inc2`] {
		return errors.New("Message type mismatch")
	}

	stmt, err := db.Prepare(`INSERT INTO obj_msg_pillage_inc	(obj_id, attacker, guild, castle_id)
							 VALUES 				            (?,      ?,        ?,     ?);`)
	if err != nil {
		return err
	}
	defer stmt.Close()

	_, err = stmt.Exec(m.ObjID64, m.Attacker, m.Guild, getObjCastleID(m.Castle))

	if err != nil {
		return err
	}

	return nil
}

func getSQLListID64(q string) []int64 {
	var (
		id  int64
		ids []int64
	)

	rows, err := db.Query(q)
	logOnError(err, "getSQLListID64 : "+q)

	for rows.Next() {
		err = rows.Scan(&id)
		logOnError(err, "getSQLListID64 : scan next val")
		ids = append(ids, id)
	}
	err = rows.Err()
	logOnError(err, "getSQLListID64 : query end")
	rows.Close()

	return ids
}