using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

#pragma warning disable CA1814 // Prefer jagged arrays over multidimensional

namespace Distribution.Migrations
{
    /// <inheritdoc />
    public partial class AddOrderInvoiceLifecycle : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            // Must run before DropPrimaryKey below: OrderItems.FK_OrderId has a foreign key to
            // Orders, and MySQL requires a supporting index on that column at all times. The old
            // composite PK (FK_OrderId, FK_ItemId) was providing that support; without this index
            // created first, dropping the PK leaves FK_OrderId's constraint without an index and
            // MySQL rejects the DROP PRIMARY KEY (errno 150).
            migrationBuilder.CreateIndex(
                name: "IX_OrderItems_FK_OrderId",
                table: "OrderItems",
                column: "FK_OrderId");

            migrationBuilder.DropPrimaryKey(
                name: "PK_OrderItems",
                table: "OrderItems");

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumns: new[] { "FK_ItemId", "FK_OrderId" },
                keyValues: new object[] { new Guid("23000000-0000-0000-0000-000000000001"), new Guid("33000000-0000-0000-0000-000000000001") });

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumns: new[] { "FK_ItemId", "FK_OrderId" },
                keyValues: new object[] { new Guid("23000000-0000-0000-0000-000000000003"), new Guid("33000000-0000-0000-0000-000000000001") });

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumns: new[] { "FK_ItemId", "FK_OrderId" },
                keyValues: new object[] { new Guid("23000000-0000-0000-0000-000000000002"), new Guid("33000000-0000-0000-0000-000000000002") });

            migrationBuilder.AlterColumn<Guid>(
                name: "FK_SaleId",
                table: "Orders",
                type: "char(36)",
                nullable: true,
                collation: "ascii_general_ci",
                oldClrType: typeof(Guid),
                oldType: "char(36)")
                .OldAnnotation("Relational:Collation", "ascii_general_ci");

            migrationBuilder.AddColumn<DateTime>(
                name: "ConfirmedAt",
                table: "Orders",
                type: "datetime(6)",
                nullable: true);

            migrationBuilder.AddColumn<Guid>(
                name: "ConfirmedByUserId",
                table: "Orders",
                type: "char(36)",
                nullable: true,
                collation: "ascii_general_ci");

            migrationBuilder.AddColumn<Guid>(
                name: "CreatedByUserId",
                table: "Orders",
                type: "char(36)",
                nullable: false,
                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"),
                collation: "ascii_general_ci");

            // Backfill every existing Order's new CreatedByUserId from its linked Sale (Order.FK_SaleId
            // was required until this migration, so every pre-existing row has one). Covers every
            // row generically, not just the two rows seeded via HasData below — otherwise any Order
            // created outside the EF seed data would keep the temporary AddColumn default
            // (Guid.Empty) and fail the FK_Orders_Users_CreatedByUserId constraint added at the end
            // of this migration.
            migrationBuilder.Sql(@"
                UPDATE `Orders` o
                INNER JOIN `Sales` s ON s.`Id` = o.`FK_SaleId`
                SET o.`CreatedByUserId` = s.`CreatedByUserId`
                WHERE o.`FK_SaleId` IS NOT NULL;");

            migrationBuilder.AddColumn<Guid>(
                name: "InvoiceId",
                table: "Orders",
                type: "char(36)",
                nullable: true,
                collation: "ascii_general_ci");

            migrationBuilder.AddPrimaryKey(
                name: "PK_OrderItems",
                table: "OrderItems",
                column: "Id");

            migrationBuilder.CreateTable(
                name: "Invoices",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    FK_OrderId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    Status = table.Column<int>(type: "int", nullable: false),
                    CreatedByUserId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    PrintedAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
                    PrintedByUserId = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci"),
                    FinalizedAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
                    FinalizedByUserId = table.Column<Guid>(type: "char(36)", nullable: true, collation: "ascii_general_ci"),
                    TotalAmount = table.Column<decimal>(type: "decimal(65,30)", nullable: false),
                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
                    IsActive = table.Column<bool>(type: "tinyint(1)", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Invoices", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Invoices_Orders_FK_OrderId",
                        column: x => x.FK_OrderId,
                        principalTable: "Orders",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Invoices_Users_CreatedByUserId",
                        column: x => x.CreatedByUserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Invoices_Users_FinalizedByUserId",
                        column: x => x.FinalizedByUserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Invoices_Users_PrintedByUserId",
                        column: x => x.PrintedByUserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                })
                .Annotation("MySql:CharSet", "utf8mb4");

            migrationBuilder.InsertData(
                table: "OrderItems",
                columns: new[] { "Id", "CreatedAt", "FK_ItemId", "FK_OrderId", "IsActive", "Quantity", "QuantityFulfilled", "UnitPrice" },
                values: new object[,]
                {
                    { new Guid("34000000-0000-0000-0000-000000000001"), new DateTime(2026, 8, 25, 9, 0, 0, 0, DateTimeKind.Unspecified), new Guid("23000000-0000-0000-0000-000000000001"), new Guid("33000000-0000-0000-0000-000000000001"), true, 30, 30, 60m },
                    { new Guid("34000000-0000-0000-0000-000000000002"), new DateTime(2026, 8, 25, 9, 0, 0, 0, DateTimeKind.Unspecified), new Guid("23000000-0000-0000-0000-000000000003"), new Guid("33000000-0000-0000-0000-000000000001"), true, 24, 24, 50m },
                    { new Guid("34000000-0000-0000-0000-000000000003"), new DateTime(2026, 8, 30, 10, 0, 0, 0, DateTimeKind.Unspecified), new Guid("23000000-0000-0000-0000-000000000002"), new Guid("33000000-0000-0000-0000-000000000002"), true, 10, 0, 120m }
                });

            migrationBuilder.UpdateData(
                table: "Orders",
                keyColumn: "Id",
                keyValue: new Guid("33000000-0000-0000-0000-000000000001"),
                columns: new[] { "ConfirmedAt", "ConfirmedByUserId", "CreatedByUserId", "InvoiceId" },
                values: new object[] { null, null, new Guid("29000000-0000-0000-0000-000000000002"), null });

            migrationBuilder.UpdateData(
                table: "Orders",
                keyColumn: "Id",
                keyValue: new Guid("33000000-0000-0000-0000-000000000002"),
                columns: new[] { "ConfirmedAt", "ConfirmedByUserId", "CreatedByUserId", "InvoiceId" },
                values: new object[] { null, null, new Guid("29000000-0000-0000-0000-000000000003"), null });

            migrationBuilder.CreateIndex(
                name: "IX_Orders_ConfirmedByUserId",
                table: "Orders",
                column: "ConfirmedByUserId");

            migrationBuilder.CreateIndex(
                name: "IX_Orders_CreatedByUserId",
                table: "Orders",
                column: "CreatedByUserId");

            migrationBuilder.CreateIndex(
                name: "IX_Invoices_CreatedByUserId",
                table: "Invoices",
                column: "CreatedByUserId");

            migrationBuilder.CreateIndex(
                name: "IX_Invoices_FinalizedByUserId",
                table: "Invoices",
                column: "FinalizedByUserId");

            migrationBuilder.CreateIndex(
                name: "IX_Invoices_FK_OrderId",
                table: "Invoices",
                column: "FK_OrderId");

            migrationBuilder.CreateIndex(
                name: "IX_Invoices_PrintedByUserId",
                table: "Invoices",
                column: "PrintedByUserId");

            migrationBuilder.AddForeignKey(
                name: "FK_Orders_Users_ConfirmedByUserId",
                table: "Orders",
                column: "ConfirmedByUserId",
                principalTable: "Users",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);

            migrationBuilder.AddForeignKey(
                name: "FK_Orders_Users_CreatedByUserId",
                table: "Orders",
                column: "CreatedByUserId",
                principalTable: "Users",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Orders_Users_ConfirmedByUserId",
                table: "Orders");

            migrationBuilder.DropForeignKey(
                name: "FK_Orders_Users_CreatedByUserId",
                table: "Orders");

            migrationBuilder.DropTable(
                name: "Invoices");

            migrationBuilder.DropIndex(
                name: "IX_Orders_ConfirmedByUserId",
                table: "Orders");

            migrationBuilder.DropIndex(
                name: "IX_Orders_CreatedByUserId",
                table: "Orders");

            migrationBuilder.DropPrimaryKey(
                name: "PK_OrderItems",
                table: "OrderItems");

            migrationBuilder.DropIndex(
                name: "IX_OrderItems_FK_OrderId",
                table: "OrderItems");

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumn: "Id",
                keyValue: new Guid("34000000-0000-0000-0000-000000000001"));

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumn: "Id",
                keyValue: new Guid("34000000-0000-0000-0000-000000000002"));

            migrationBuilder.DeleteData(
                table: "OrderItems",
                keyColumn: "Id",
                keyValue: new Guid("34000000-0000-0000-0000-000000000003"));

            migrationBuilder.DropColumn(
                name: "ConfirmedAt",
                table: "Orders");

            migrationBuilder.DropColumn(
                name: "ConfirmedByUserId",
                table: "Orders");

            migrationBuilder.DropColumn(
                name: "CreatedByUserId",
                table: "Orders");

            migrationBuilder.DropColumn(
                name: "InvoiceId",
                table: "Orders");

            migrationBuilder.AlterColumn<Guid>(
                name: "FK_SaleId",
                table: "Orders",
                type: "char(36)",
                nullable: false,
                defaultValue: new Guid("00000000-0000-0000-0000-000000000000"),
                collation: "ascii_general_ci",
                oldClrType: typeof(Guid),
                oldType: "char(36)",
                oldNullable: true)
                .OldAnnotation("Relational:Collation", "ascii_general_ci");

            migrationBuilder.AddPrimaryKey(
                name: "PK_OrderItems",
                table: "OrderItems",
                columns: new[] { "FK_OrderId", "FK_ItemId" });

            migrationBuilder.InsertData(
                table: "OrderItems",
                columns: new[] { "FK_ItemId", "FK_OrderId", "CreatedAt", "Id", "IsActive", "Quantity", "QuantityFulfilled", "UnitPrice" },
                values: new object[,]
                {
                    { new Guid("23000000-0000-0000-0000-000000000001"), new Guid("33000000-0000-0000-0000-000000000001"), new DateTime(2026, 8, 25, 9, 0, 0, 0, DateTimeKind.Unspecified), new Guid("34000000-0000-0000-0000-000000000001"), true, 30, 30, 60m },
                    { new Guid("23000000-0000-0000-0000-000000000003"), new Guid("33000000-0000-0000-0000-000000000001"), new DateTime(2026, 8, 25, 9, 0, 0, 0, DateTimeKind.Unspecified), new Guid("34000000-0000-0000-0000-000000000002"), true, 24, 24, 50m },
                    { new Guid("23000000-0000-0000-0000-000000000002"), new Guid("33000000-0000-0000-0000-000000000002"), new DateTime(2026, 8, 30, 10, 0, 0, 0, DateTimeKind.Unspecified), new Guid("34000000-0000-0000-0000-000000000003"), true, 10, 0, 120m }
                });
        }
    }
}