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

#nullable disable

namespace line_gestao_api.Migrations
{
    [DbContext(typeof(AppDbContext))]
    [Migration("20260303193000_FixAparelhosArquivoPathColumns")]
    public partial class FixAparelhosArquivoPathColumns : Migration
    {
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.Sql("""
                ALTER TABLE "Aparelhos"
                ADD COLUMN IF NOT EXISTS "NotaFiscalArquivoPath" character varying(500) NULL;
                """);

            migrationBuilder.Sql("""
                ALTER TABLE "Aparelhos"
                ADD COLUMN IF NOT EXISTS "ReciboArquivoPath" character varying(500) NULL;
                """);

            // Backfill seguro para bancos que já tinham os campos antigos de URL/nome.
            migrationBuilder.Sql("""
                DO $$
                BEGIN
                    IF EXISTS (
                        SELECT 1
                        FROM information_schema.columns
                        WHERE table_name = 'Aparelhos'
                          AND column_name = 'NotaFiscalAnexoUrl'
                    ) THEN
                        UPDATE "Aparelhos"
                        SET "NotaFiscalArquivoPath" = COALESCE("NotaFiscalArquivoPath", "NotaFiscalAnexoUrl")
                        WHERE "NotaFiscalAnexoUrl" IS NOT NULL
                          AND "NotaFiscalAnexoUrl" <> '';
                    END IF;

                    IF EXISTS (
                        SELECT 1
                        FROM information_schema.columns
                        WHERE table_name = 'Aparelhos'
                          AND column_name = 'ReciboAnexoUrl'
                    ) THEN
                        UPDATE "Aparelhos"
                        SET "ReciboArquivoPath" = COALESCE("ReciboArquivoPath", "ReciboAnexoUrl")
                        WHERE "ReciboAnexoUrl" IS NOT NULL
                          AND "ReciboAnexoUrl" <> '';
                    END IF;
                END
                $$;
                """);
        }

        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.Sql("""ALTER TABLE "Aparelhos" DROP COLUMN IF EXISTS "ReciboArquivoPath";""");
            migrationBuilder.Sql("""ALTER TABLE "Aparelhos" DROP COLUMN IF EXISTS "NotaFiscalArquivoPath";""");
        }
    }
}