using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace backend.Migrations
{
    /// <inheritdoc />
    public partial class AddConversationsAndTurns : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Conversations",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
                    DeviceId = table.Column<Guid>(type: "TEXT", nullable: false),
                    StartedAt = table.Column<DateTimeOffset>(type: "TEXT", nullable: false),
                    EndedAt = table.Column<DateTimeOffset>(type: "TEXT", nullable: true),
                    EndReason = table.Column<int>(type: "INTEGER", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Conversations", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Turns",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
                    ConversationId = table.Column<Guid>(type: "TEXT", nullable: false),
                    Index = table.Column<int>(type: "INTEGER", nullable: false),
                    Role = table.Column<int>(type: "INTEGER", nullable: false),
                    Text = table.Column<string>(type: "TEXT", nullable: true),
                    ToolName = table.Column<string>(type: "TEXT", nullable: true),
                    ToolArgsJson = table.Column<string>(type: "TEXT", nullable: true),
                    ToolResultJson = table.Column<string>(type: "TEXT", nullable: true),
                    CreatedAt = table.Column<DateTimeOffset>(type: "TEXT", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Turns", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Turns_Conversations_ConversationId",
                        column: x => x.ConversationId,
                        principalTable: "Conversations",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Conversations_DeviceId",
                table: "Conversations",
                column: "DeviceId");

            migrationBuilder.CreateIndex(
                name: "IX_Turns_ConversationId_Index",
                table: "Turns",
                columns: new[] { "ConversationId", "Index" },
                unique: true);
        }

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

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