using System;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace MiaoJiZhang.Infrastructure.Persistence.Migrations;

[DbContext(typeof(AppDbContext))]
[Migration("20260722030000_AiChatQuotas")]
public partial class AiChatQuotas : Migration
{
    protected override void Up(MigrationBuilder migrationBuilder)
    {
        migrationBuilder.AddColumn<int>(
            name: "AiChatLimit",
            table: "Users",
            type: "int",
            nullable: false,
            defaultValue: 50);

        migrationBuilder.AddColumn<int>(
            name: "AiChatPeriod",
            table: "Users",
            type: "int",
            nullable: false,
            defaultValue: 0);

        migrationBuilder.AddColumn<int>(
            name: "AiChatUsed",
            table: "Users",
            type: "int",
            nullable: false,
            defaultValue: 0);

        migrationBuilder.AddColumn<DateTime>(
            name: "AiChatWindowStartedAt",
            table: "Users",
            type: "datetime(6)",
            nullable: false,
            defaultValue: new DateTime(1970, 1, 1));

        migrationBuilder.Sql("""
            UPDATE Users
            SET AiChatWindowStartedAt =
                CONVERT_TZ(DATE(CONVERT_TZ(UTC_TIMESTAMP(6), '+00:00', '+08:00')), '+08:00', '+00:00');
            """);
        migrationBuilder.Sql("""
            INSERT INTO AppConfigs (`Key`, Value, Version, UpdatedAt)
            SELECT 'quota.default_ai_chat_limit', '50', 1, UTC_TIMESTAMP(6)
            WHERE NOT EXISTS (
                SELECT 1 FROM AppConfigs
                WHERE `Key` = 'quota.default_ai_chat_limit'
            );
            """);
        migrationBuilder.Sql("""
            INSERT INTO AppConfigs (`Key`, Value, Version, UpdatedAt)
            SELECT 'quota.default_ai_chat_period', 'day', 1, UTC_TIMESTAMP(6)
            WHERE NOT EXISTS (
                SELECT 1 FROM AppConfigs
                WHERE `Key` = 'quota.default_ai_chat_period'
            );
            """);
    }

    protected override void Down(MigrationBuilder migrationBuilder)
    {
        migrationBuilder.DropColumn(name: "AiChatLimit", table: "Users");
        migrationBuilder.DropColumn(name: "AiChatPeriod", table: "Users");
        migrationBuilder.DropColumn(name: "AiChatUsed", table: "Users");
        migrationBuilder.DropColumn(name: "AiChatWindowStartedAt", table: "Users");
        migrationBuilder.Sql(
            "DELETE FROM AppConfigs WHERE `Key` IN ('quota.default_ai_chat_limit', 'quota.default_ai_chat_period');");
    }
}