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

#nullable disable

namespace JobTrackerApi.Migrations;

/// <summary>
/// Moves Gmail review-decision creation into the migration chain and supplies the previously
/// missing MariaDB table while retaining SQLite rows created by startup reconciliation.
/// </summary>
[DbContext(typeof(JobTrackerContext))]
[Migration("20260830122000_AdoptGmailReviewDecisionsSchema")]
public sealed class AdoptGmailReviewDecisionsSchema : Migration
{
    protected override void Up(MigrationBuilder migrationBuilder)
    {
        if (ActiveProvider.Contains("MySql", StringComparison.OrdinalIgnoreCase))
        {
            migrationBuilder.Sql("""
                CREATE TABLE IF NOT EXISTS `GmailReviewDecisions` (
                    `Id` int NOT NULL AUTO_INCREMENT,
                    `OwnerUserId` varchar(255) NOT NULL,
                    `ThreadId` varchar(512) NOT NULL,
                    `JobApplicationId` int NULL,
                    `Decision` varchar(32) NOT NULL,
                    `Note` longtext NULL,
                    `UpdatedAt` datetime(6) NOT NULL,
                    PRIMARY KEY (`Id`)
                ) CHARACTER SET=utf8mb4;
                """);
            return;
        }

        migrationBuilder.Sql("""
            CREATE TABLE IF NOT EXISTS "GmailReviewDecisions" (
                "Id" INTEGER NOT NULL CONSTRAINT "PK_GmailReviewDecisions" PRIMARY KEY AUTOINCREMENT,
                "OwnerUserId" TEXT NOT NULL,
                "ThreadId" TEXT NOT NULL,
                "JobApplicationId" INTEGER NULL,
                "Decision" TEXT NOT NULL,
                "Note" TEXT NULL,
                "UpdatedAt" TEXT NOT NULL
            );
            """);
    }

    protected override void Down(MigrationBuilder migrationBuilder)
    {
        // Preserve decisions that may have been created before migration ownership was introduced.
    }
}