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

#nullable disable

namespace MiaoJiZhang.Infrastructure.Persistence.Migrations;

[DbContext(typeof(AppDbContext))]
[Migration("20260721200000_AiPermissionsAndRecognitionIdempotency")]
public partial class AiPermissionsAndRecognitionIdempotency : Migration
{
    protected override void Up(MigrationBuilder migrationBuilder)
    {
        migrationBuilder.AddColumn<string>(
            name: "ClientRequestId",
            table: "Transactions",
            type: "varchar(64)",
            maxLength: 64,
            nullable: true)
            .Annotation("MySql:CharSet", "utf8mb4");

        migrationBuilder.CreateTable(
            name: "UserFeaturePermissions",
            columns: table => new
            {
                Id = table.Column<long>(type: "bigint", nullable: false)
                    .Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
                UserId = table.Column<long>(type: "bigint", nullable: false),
                PermissionKey = table.Column<string>(type: "varchar(32)", maxLength: 32, nullable: false)
                    .Annotation("MySql:CharSet", "utf8mb4"),
                IsEnabled = table.Column<bool>(type: "tinyint(1)", nullable: false),
                CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
            },
            constraints: table =>
            {
                table.PrimaryKey("PK_UserFeaturePermissions", x => x.Id);
                table.ForeignKey(
                    name: "FK_UserFeaturePermissions_Users_UserId",
                    column: x => x.UserId,
                    principalTable: "Users",
                    principalColumn: "Id",
                    onDelete: ReferentialAction.Cascade);
            })
            .Annotation("MySql:CharSet", "utf8mb4");

        migrationBuilder.CreateIndex(
            name: "IX_Transactions_UserId_ClientRequestId",
            table: "Transactions",
            columns: new[] { "UserId", "ClientRequestId" },
            unique: true);
        migrationBuilder.CreateIndex(
            name: "IX_UserFeaturePermissions_UserId_PermissionKey",
            table: "UserFeaturePermissions",
            columns: new[] { "UserId", "PermissionKey" },
            unique: true);

        migrationBuilder.Sql("""
            INSERT INTO UserFeaturePermissions
                (UserId, PermissionKey, IsEnabled, CreatedAt, UpdatedAt)
            SELECT Id, 'ai', TRUE, UTC_TIMESTAMP(6), UTC_TIMESTAMP(6)
            FROM Users
            WHERE NOT EXISTS (
                SELECT 1 FROM UserFeaturePermissions p
                WHERE p.UserId = Users.Id AND p.PermissionKey = 'ai'
            );
            """);
        migrationBuilder.Sql("""
            INSERT INTO AppConfigs (`Key`, Value, Version, UpdatedAt)
            SELECT 'permission.default.ai_enabled', 'true', 1, UTC_TIMESTAMP(6)
            WHERE NOT EXISTS (
                SELECT 1 FROM AppConfigs
                WHERE `Key` = 'permission.default.ai_enabled'
            );
            """);
    }

    protected override void Down(MigrationBuilder migrationBuilder)
    {
        migrationBuilder.DropTable(name: "UserFeaturePermissions");
        migrationBuilder.DropIndex(
            name: "IX_Transactions_UserId_ClientRequestId",
            table: "Transactions");
        migrationBuilder.DropColumn(name: "ClientRequestId", table: "Transactions");
        migrationBuilder.Sql(
            "DELETE FROM AppConfigs WHERE `Key` = 'permission.default.ai_enabled';");
    }
}