using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Migrations;

namespace NadekoBot.Migrations;

public static class MigrationQueries
{
    public static void MigrateRero(MigrationBuilder migrationBuilder)
    {
        if (migrationBuilder.IsMySql())
        {
            migrationBuilder.Sql(
                """
                    INSERT IGNORE into reactionroles(guildid, channelid, messageid, emote, roleid, `group`, levelreq, dateadded)
                    select guildid, channelid, messageid, emotename, roleid, exclusive, 0, reactionrolemessage.dateadded
                    from reactionrole
                    left join reactionrolemessage on reactionrolemessage.id = reactionrole.reactionrolemessageid
                    left join guildconfigs on reactionrolemessage.guildconfigid = guildconfigs.id;
                    """);
        }
        else if (migrationBuilder.IsSqlite())
        {
            migrationBuilder.Sql(
                """
                    insert or ignore into reactionroles(guildid, channelid, messageid, emote, roleid, 'group', levelreq, dateadded)
                    select guildid, channelid, messageid, emotename, roleid, exclusive, 0, reactionrolemessage.dateadded
                    from reactionrole
                    left join reactionrolemessage on reactionrolemessage.id = reactionrole.reactionrolemessageid
                    left join guildconfigs on reactionrolemessage.guildconfigid = guildconfigs.id;
                    """);
        }
        else if (migrationBuilder.IsNpgsql())
        {
            migrationBuilder.Sql("""
                insert into reactionroles(guildid, channelid, messageid, emote, roleid, "group", levelreq, dateadded)
                            select guildid, channelid, messageid, emotename, roleid, exclusive::int, 0, reactionrolemessage.dateadded
                                from reactionrole
                                left join reactionrolemessage on reactionrolemessage.id = reactionrole.reactionrolemessageid
                            left join guildconfigs on reactionrolemessage.guildconfigid = guildconfigs.id
                            ON CONFLICT DO NOTHING;
                """);
        }
        else
        {
            throw new NotSupportedException("This database provider doesn't have an implementation for MigrateRero");
        }
    }
}