# -*- coding: utf-8 -*-
"""
Flask Web 服务
对外提供 m3u 文件访问，并支持手动触发更新
"""

import os
from flask import Flask, send_file, jsonify
from updater import update, OUTPUT_FILE

app = Flask(__name__)


@app.route("/")
def index():
    """首页，返回简单说明"""
    return jsonify({
        "name": "tubo-live-source",
        "description": "途播播放器专用直播源",
        "m3u": "/tubo.m3u",
        "update": "/update",
    })


@app.route("/tubo.m3u")
def m3u():
    """返回 m3u 文件；若不存在则先更新一次"""
    if not os.path.exists(OUTPUT_FILE):
        update()
    return send_file(
        OUTPUT_FILE,
        mimetype="audio/x-mpegurl",
        as_attachment=False,
        download_name="tubo.m3u",
    )


@app.route("/update")
def manual_update():
    """手动触发更新"""
    path = update()
    return jsonify({"status": "ok", "file": path})


if __name__ == "__main__":
    # 启动前确保 m3u 存在
    if not os.path.exists(OUTPUT_FILE):
        update()
    app.run(host="0.0.0.0", port=8000)