using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace ControlCenter.Api.Migrations
{
    /// <inheritdoc />
    public partial class CreateAgentsTable : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AlterDatabase()
                .Annotation("Npgsql:Enum:agent_status", "active,idle,thinking,error");

            migrationBuilder.CreateTable(
                name: "agents",
                columns: table => new
                {
                    id = table.Column<Guid>(type: "uuid", nullable: false),
                    status = table.Column<int>(type: "agent_status", nullable: false),
                    task = table.Column<string>(type: "text", nullable: true),
                    progress = table.Column<int>(type: "integer", nullable: true),
                    session_key = table.Column<string>(type: "text", nullable: false),
                    channel = table.Column<string>(type: "text", nullable: false),
                    last_activity = table.Column<DateTime>(type: "timestamptz", nullable: false),
                    created_at = table.Column<DateTime>(type: "timestamptz", nullable: false, defaultValueSql: "now()"),
                    updated_at = table.Column<DateTime>(type: "timestamptz", nullable: false, defaultValueSql: "now()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_agents", x => x.id);
                    table.CheckConstraint("ck_agents_progress_range", "progress IS NULL OR (progress >= 0 AND progress <= 100)");
                });

            migrationBuilder.CreateIndex(
                name: "ix_agents_channel",
                table: "agents",
                column: "channel");

            migrationBuilder.CreateIndex(
                name: "ix_agents_session_key",
                table: "agents",
                column: "session_key",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "ix_agents_status",
                table: "agents",
                column: "status");
        }

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