"""
네이버 플레이스 검색 테스트 웹 서버
Flask를 사용하여 검색 및 상세정보 조회 API 제공
"""

import asyncio
import sys
from io import StringIO
from flask import Flask, render_template, request, jsonify
from main import NaverPlaceAPI

app = Flask(__name__)
place_api = NaverPlaceAPI()


# ============================================================
# Utilities
# ============================================================

class LogCapture:
    """콘솔 출력을 캡처하는 컨텍스트 매니저"""

    def __init__(self):
        self.logs = []
        self._stdout = None
        self._capture = None

    def __enter__(self):
        self._stdout = sys.stdout
        sys.stdout = self._capture = StringIO()
        return self

    def __exit__(self, *args):
        self.logs = [log for log in self._capture.getvalue().split('\n') if log.strip()]
        sys.stdout = self._stdout

    def get_logs(self):
        return self.logs


def run_async(coro):
    """비동기 함수를 동기적으로 실행"""
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    try:
        return loop.run_until_complete(coro)
    finally:
        loop.close()


# ============================================================
# Routes - Pages
# ============================================================

@app.route('/')
def index():
    """검색 페이지"""
    return render_template('search.html')


@app.route('/result')
def result():
    """결과 페이지"""
    return render_template('result.html')


# ============================================================
# Routes - API
# ============================================================

@app.route('/api/autocomplete', methods=['POST'])
def api_autocomplete():
    """
    빠른 자동완성 API (place_id 없음)

    Request: {"query": "스테이"}
    Response: {"results": [{"title": "...", "category": "...", "address": "..."}], "count": 10}
    """
    try:
        data = request.get_json()
        query = data.get('query', '').strip()

        if not query or len(query) < 2:
            return jsonify({'results': []})

        results = run_async(place_api.quick_search(query))
        return jsonify({'results': results, 'count': len(results)})

    except Exception as e:
        return jsonify({'results': [], 'error': str(e)})


@app.route('/api/search', methods=['POST'])
def api_search():
    """
    검색 API (place_id 포함)

    Request: {"query": "스테이 머뭄"}
    Response: {"results": [{"place_id": "123", "title": "...", ...}], "count": 5, "logs": [...]}
    """
    try:
        data = request.get_json()
        query = data.get('query', '').strip()

        if not query:
            return jsonify({'error': '검색어를 입력해주세요.'}), 400

        with LogCapture() as log_capture:
            results = run_async(place_api.autocomplete_search(query))

        return jsonify({
            'results': results,
            'count': len(results),
            'logs': log_capture.get_logs(),
            'query': query
        })

    except Exception as e:
        import traceback
        return jsonify({'error': str(e), 'trace': traceback.format_exc()}), 500


@app.route('/api/detail', methods=['POST'])
def api_detail():
    """
    상세정보 API

    Request: {"place_id": "1133638931"}
    Response: {"detail": {...}, "crawling_response": {...}, "logs": [...]}
    """
    try:
        data = request.get_json()
        place_id = data.get('place_id', '').strip()

        if not place_id:
            return jsonify({'error': 'place_id를 입력해주세요.'}), 400

        with LogCapture() as log_capture:
            detail = run_async(place_api.get_place_detail(place_id))

        if not detail:
            return jsonify({'error': '상세 정보를 찾을 수 없습니다.', 'logs': log_capture.get_logs()}), 404

        return jsonify({
            'detail': {
                'place_id': detail.place_id,
                'name': detail.name,
                'category': detail.category,
                'address': detail.address,
                'road_address': detail.road_address,
                'phone': detail.phone,
                'description': detail.description,
                'images': detail.images,
                'business_hours': detail.business_hours,
                'homepage': detail.homepage,
                'keywords': detail.keywords,
                'facilities': detail.facilities,
            },
            'crawling_response': place_api.convert_to_crawling_response(detail),
            'logs': log_capture.get_logs()
        })

    except Exception as e:
        import traceback
        return jsonify({'error': str(e), 'trace': traceback.format_exc()}), 500


# ============================================================
# Entry Point
# ============================================================

if __name__ == '__main__':
    print("=" * 60)
    print("네이버 플레이스 검색 테스트 서버")
    print("=" * 60)
    print("브라우저에서 http://localhost:5001 으로 접속하세요")
    print("=" * 60)
    app.run(debug=True, port=5001, use_reloader=False)