export const dynamic = 'force-dynamic';
import { NextRequest, NextResponse } from "next/server";

const HA_URL = process.env.HA_URL || "http://192.168.31.110:8123";
const HA_TOKEN = process.env.HA_TOKEN || "";

// Mock data for demo mode
const MOCK_STATES = {
  "light.living_room": {
    entity_id: "light.living_room",
    state: "on",
    attributes: { brightness: 180, friendly_name: "Свет Гостиная" },
  },
  "light.bedroom": {
    entity_id: "light.bedroom",
    state: "off",
    attributes: { friendly_name: "Свет Спальня" },
  },
  "climate.thermostat": {
    entity_id: "climate.thermostat",
    state: "heat",
    attributes: {
      current_temperature: 21.5,
      temperature: 22,
      friendly_name: "Термостат",
    },
  },
  "fan.air_purifier": {
    entity_id: "fan.air_purifier",
    state: "on",
    attributes: {
      preset_mode: "Auto",
      friendly_name: "Очиститель воздуха",
      preset_modes: ["Auto", "Night", "High"],
    },
  },
};

export async function GET(req: NextRequest) {
  if (!HA_TOKEN) {
    return NextResponse.json({ demo: true, states: MOCK_STATES });
  }

  try {
    const res = await fetch(`${HA_URL}/api/states`, {
      headers: {
        Authorization: `Bearer ${HA_TOKEN}`,
        "Content-Type": "application/json",
      },
      next: { revalidate: 0 },
    });

    if (!res.ok) throw new Error(`HA responded ${res.status}`);
    const states = await res.json();

    const relevant = [
      "light.living_room",
      "light.bedroom",
      "climate.thermostat",
      "fan.air_purifier",
    ];

    const filtered: Record<string, any> = {};
    for (const s of states) {
      if (relevant.includes(s.entity_id)) {
        filtered[s.entity_id] = s;
      }
    }

    return NextResponse.json({ demo: false, states: filtered });
  } catch (e) {
    return NextResponse.json({ demo: true, states: MOCK_STATES });
  }
}

export async function POST(req: NextRequest) {
  const { domain, service, entity_id, ...serviceData } = await req.json();

  if (!HA_TOKEN) {
    return NextResponse.json({ success: true, demo: true });
  }

  try {
    const res = await fetch(`${HA_URL}/api/services/${domain}/${service}`, {
      method: "POST",
      headers: {
        Authorization: `Bearer ${HA_TOKEN}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ entity_id, ...serviceData }),
    });

    if (!res.ok) throw new Error(`HA responded ${res.status}`);
    return NextResponse.json({ success: true });
  } catch (e) {
    return NextResponse.json({ success: false, error: String(e) }, { status: 500 });
  }
}