import mysql.connector

from loguru import logger

class Database:
    def __init__(self, host, user, password, db):
        self.con = mysql.connector.connect(
                host=host,
                user=user,
                password=password,
                database=db,
            )

    def init_test_database(self):
        self.con.reconnect()
        cursor = self.con.cursor()
        try:
            cursor.execute("CREATE TABLE discord_link ( admin_id int(10) UNSIGNED NOT NULL, discord_id bigint(20) UNSIGNED NOT NULL, steamid varchar(65) COLLATE utf8mb4_unicode_ci NOT NULL);")
            cursor.execute("CREATE TABLE sm_admins ( id int(10) UNSIGNED NOT NULL, authtype enum('steam', 'name', 'ip') COLLATE utf8mb4_unicode_ci NOT NULL, identity varchar(65) COLLATE utf8mb4_unicode_ci NOT NULL, password varchar(65) COLLATE utf8mb4_unicode_ci DEFAULT NULL, flags varchar(30) COLLATE utf8mb4_unicode_ci NOT NULL, name varchar(65) COLLATE utf8mb4_unicode_ci NOT NULL, immunity int(10) UNSIGNED NOT NULL);")
            cursor.execute("ALTER TABLE discord_link ADD PRIMARY KEY (admin_id), ADD UNIQUE KEY admin_id (admin_id), ADD UNIQUE KEY discord_id (discord_id), ADD UNIQUE KEY steamid (steamid);")
            cursor.execute("ALTER TABLE sm_admins ADD PRIMARY KEY (id), ADD UNIQUE KEY identity (identity), ADD UNIQUE KEY id (id);")
            cursor.execute("ALTER TABLE sm_admins MODIFY id int(10) UNSIGNED NOT NULL AUTO_INCREMENT;")
            cursor.execute("ALTER TABLE discord_link ADD CONSTRAINT discord_link_ibfk_1 FOREIGN KEY (admin_id) REFERENCES sm_admins (id);")
        except mysql.connector.InterfaceError:
            logger.info(f"Connection to mysql got interrupted, trying to reconnect...")
            self.con.reconnect()
            self.init_test_database()
        except Exception as err:
            logger.error(f"Database interrupted: {err}")
            raise Exception("Error while trying to connect to database.")

    def create_reserved_slot(self, discord_user, steam_id):
        self.con.reconnect()
        cursor = self.con.cursor()

        try:
            sql_sm = "INSERT INTO sm_admins (authtype, identity, password, flags, name, immunity) VALUES (%s, %s, %s, %s, %s, %s)"
            val_sm = ("steam", steam_id, "", "a", discord_user.username, "5")
            cursor.execute(sql_sm, val_sm)
            self.con.commit() 
    
            id = cursor.lastrowid
    
            sql_discord = "INSERT INTO discord_link (admin_id, discord_id, steamid) VALUES (%s, %s, %s)"
            val_discord = (id, str(discord_user.id), steam_id)
            cursor.execute(sql_discord, val_discord)
            self.con.commit()
        except mysql.connector.InterfaceError:
            logger.info(f"Connection to mysql got interrupted, trying to reconnect...")
            self.con.reconnect()
            self.create_reserved_slot(discord_user, steam_id)
        except mysql.connector.IntegrityError:
            raise Exception("Duplicate entrys")
        except Exception as err:
            logger.error(f"Database interrupted: {err}")
            raise Exception("Error while trying to connect to database.")