using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
using line_gestao_api.Data;

#nullable disable

namespace line_gestao_api.Migrations
{
    [DbContext(typeof(AppDbContext))]
    [Migration("20260226130300_BackfillMobileLinesTenantIdFromTenantSourceKey")]
    public partial class BackfillMobileLinesTenantIdFromTenantSourceKey : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.Sql("""
                UPDATE "MobileLines" m
                SET "TenantId" = t."Id"
                FROM "Tenants" t
                WHERE t."SourceType" = 'MobileLines.Cliente'
                  AND t."SourceKey" = m."Cliente"
                  AND (m."TenantId" IS NULL OR m."TenantId" <> t."Id");
                """);

            migrationBuilder.Sql("""
                DO $$
                BEGIN
                    IF EXISTS (
                        SELECT 1
                        FROM "MobileLines" m
                        LEFT JOIN "Tenants" t
                          ON t."SourceType" = 'MobileLines.Cliente'
                         AND t."SourceKey" = m."Cliente"
                        WHERE t."Id" IS NULL
                    ) THEN
                        RAISE EXCEPTION 'Backfill abortado: existem MobileLines sem tenant correspondente por SourceKey exato.';
                    END IF;
                END
                $$;
                """);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            // No-op intencional.
        }
    }
}