using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace mws.backend.dotnet.infrastructure.Migrations
{
    /// <inheritdoc />
    public partial class InitialCreate : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "documents",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    ProjectId = table.Column<Guid>(type: "uuid", nullable: false),
                    ParentId = table.Column<Guid>(type: "uuid", nullable: true),
                    Title = table.Column<string>(type: "character varying(300)", maxLength: 300, nullable: false),
                    Content = table.Column<string>(type: "text", nullable: true),
                    Type = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
                    CreatedBy = table.Column<Guid>(type: "uuid", nullable: false),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    UpdatedBy = table.Column<Guid>(type: "uuid", nullable: true),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_documents", x => x.Id);
                    table.ForeignKey(
                        name: "FK_documents_documents_ParentId",
                        column: x => x.ParentId,
                        principalTable: "documents",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "projects",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    Name = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
                    Description = table.Column<string>(type: "character varying(2000)", maxLength: 2000, nullable: true),
                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_projects", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "users",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    Username = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
                    PasswordHash = table.Column<string>(type: "character varying(200)", maxLength: 200, nullable: false),
                    DisplayName = table.Column<string>(type: "character varying(150)", maxLength: 150, nullable: false),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_users", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "project_members",
                columns: table => new
                {
                    ProjectId = table.Column<Guid>(type: "uuid", nullable: false),
                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
                    Role = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_project_members", x => new { x.ProjectId, x.UserId });
                    table.ForeignKey(
                        name: "FK_project_members_projects_ProjectId",
                        column: x => x.ProjectId,
                        principalTable: "projects",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_project_members_users_UserId",
                        column: x => x.UserId,
                        principalTable: "users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "tasks",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    ProjectId = table.Column<Guid>(type: "uuid", nullable: false),
                    Title = table.Column<string>(type: "character varying(300)", maxLength: 300, nullable: false),
                    Description = table.Column<string>(type: "text", nullable: true),
                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
                    Priority = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
                    AssigneeId = table.Column<Guid>(type: "uuid", nullable: true),
                    DueDate = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
                    CreatedBy = table.Column<Guid>(type: "uuid", nullable: false),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_tasks", x => x.Id);
                    table.ForeignKey(
                        name: "FK_tasks_users_AssigneeId",
                        column: x => x.AssigneeId,
                        principalTable: "users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.SetNull);
                });

            migrationBuilder.CreateIndex(
                name: "IX_documents_ParentId",
                table: "documents",
                column: "ParentId");

            migrationBuilder.CreateIndex(
                name: "IX_documents_ProjectId_ParentId",
                table: "documents",
                columns: new[] { "ProjectId", "ParentId" });

            migrationBuilder.CreateIndex(
                name: "IX_project_members_UserId",
                table: "project_members",
                column: "UserId");

            migrationBuilder.CreateIndex(
                name: "IX_tasks_AssigneeId",
                table: "tasks",
                column: "AssigneeId");

            migrationBuilder.CreateIndex(
                name: "IX_tasks_ProjectId",
                table: "tasks",
                column: "ProjectId");

            migrationBuilder.CreateIndex(
                name: "IX_tasks_Status",
                table: "tasks",
                column: "Status");

            migrationBuilder.CreateIndex(
                name: "IX_users_Username",
                table: "users",
                column: "Username",
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "documents");

            migrationBuilder.DropTable(
                name: "project_members");

            migrationBuilder.DropTable(
                name: "tasks");

            migrationBuilder.DropTable(
                name: "projects");

            migrationBuilder.DropTable(
                name: "users");
        }
    }
}