import asyncio
import os
import threading
import time
from flask import Blueprint, request, jsonify, render_template
from server.database import get_db
from server.services.auth_service import (
    get_auth_path, has_auth, login_with_password, login_with_sms
)

bp = Blueprint('accounts', __name__, url_prefix='/accounts')


@bp.route('/')
def list_accounts():
    db = get_db()
    accounts = db.execute('SELECT * FROM accounts ORDER BY id DESC').fetchall()
    db.close()
    return render_template('accounts.html', accounts=accounts)


@bp.route('/add', methods=['POST'])
def add_account():
    name = request.form.get('name', '').strip()
    phone = request.form.get('phone', '').strip()
    password = request.form.get('password', '').strip()

    if not name or not phone:
        return jsonify(success=False, msg='请填写名称和手机号'), 400

    db = get_db()
    cursor = db.execute(
        'INSERT INTO accounts (name, phone, password, auth_file, login_msg) VALUES (?, ?, ?, ?, ?)',
        (name, phone, password, '', '待登录')
    )
    account_id = cursor.lastrowid
    auth_file = get_auth_path(account_id)
    db.execute('UPDATE accounts SET auth_file = ? WHERE id = ?', (auth_file, account_id))
    db.commit()
    db.close()

    return jsonify(success=True, id=account_id)


@bp.route('/delete/<int:account_id>', methods=['POST'])
def delete_account(account_id):
    db = get_db()
    db.execute('DELETE FROM tasks WHERE account_id = ?', (account_id,))
    db.execute('DELETE FROM accounts WHERE id = ?', (account_id,))
    db.commit()
    db.close()
    path = get_auth_path(account_id)
    if os.path.exists(path):
        os.remove(path)
    return jsonify(success=True)


@bp.route('/login/<int:account_id>', methods=['POST'])
def do_login(account_id):
    """密码登录（自动，无需人参与）"""
    db = get_db()
    account = db.execute('SELECT * FROM accounts WHERE id = ?', (account_id,)).fetchone()
    db.close()

    if not account:
        return jsonify(success=False, msg='账号不存在'), 404

    phone = account['phone']
    password = account['password']

    if not phone or not password:
        return jsonify(success=False, msg='该账号未设置手机号或密码'), 400

    # 标记为登录中
    db = get_db()
    db.execute(
        "UPDATE accounts SET is_logged_in = 0, login_msg = '登录中...', "
        "updated_at = datetime('now','localtime') WHERE id = ?",
        (account_id,)
    )
    db.commit()
    db.close()

    # 后台异步登录
    _start_bg_login(account_id, phone, password)

    return jsonify(success=True, msg='登录中...')


@bp.route('/login_sms/<int:account_id>', methods=['POST'])
def do_sms_login(account_id):
    """
    短信验证码登录（需要人机交互）
    会弹出浏览器窗口，需要人拖滑块 + 输入验证码。
    """
    db = get_db()
    account = db.execute('SELECT * FROM accounts WHERE id = ?', (account_id,)).fetchone()
    db.close()

    if not account:
        return jsonify(success=False, msg='账号不存在'), 404

    phone = account['phone']
    if not phone:
        return jsonify(success=False, msg='该账号未设置手机号'), 400

    # 标记为等待交互
    db = get_db()
    db.execute(
        "UPDATE accounts SET is_logged_in = 0, login_msg = '等待人机交互...', "
        "updated_at = datetime('now','localtime') WHERE id = ?",
        (account_id,)
    )
    db.commit()
    db.close()

    # 后台启动短信登录（会弹出浏览器窗口）
    _start_bg_sms_login(account_id, phone)

    return jsonify(success=True, msg='已启动短信登录，请在弹出的浏览器中完成滑块验证，并在终端输入验证码')


@bp.route('/status/<int:account_id>')
def get_status(account_id):
    """轮询账号登录状态"""
    db = get_db()
    account = db.execute(
        'SELECT is_logged_in, login_msg FROM accounts WHERE id = ?',
        (account_id,)
    ).fetchone()
    db.close()
    if not account:
        return jsonify(is_logged_in=False, login_msg='账号不存在', done=True)

    msg = account['login_msg'] or ''
    is_logged_in = bool(account['is_logged_in'])
    done = msg not in ('登录中...', '等待人机交互...')
    return jsonify(is_logged_in=is_logged_in, login_msg=msg, done=done)


def _start_bg_login(account_id, phone, password):
    """后台线程执行密码登录"""
    def _run():
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
        try:
            ok, msg = loop.run_until_complete(
                login_with_password(account_id, phone, password)
            )
        except Exception as e:
            ok, msg = False, str(e)
        finally:
            loop.close()

        db = get_db()
        if ok:
            db.execute(
                "UPDATE accounts SET is_logged_in = 1, login_msg = '登录成功', "
                "updated_at = datetime('now','localtime') WHERE id = ?",
                (account_id,)
            )
        else:
            db.execute(
                "UPDATE accounts SET is_logged_in = 0, login_msg = ?, "
                "updated_at = datetime('now','localtime') WHERE id = ?",
                (msg, account_id)
            )
        db.commit()
        db.close()

    t = threading.Thread(target=_run, daemon=True)
    t.start()


def _start_bg_sms_login(account_id, phone):
    """后台线程执行短信登录"""
    def _run():
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
        try:
            ok, msg = loop.run_until_complete(
                login_with_sms(phone, account_id=account_id)
            )
        except Exception as e:
            ok, msg = False, str(e)
        finally:
            loop.close()

        db = get_db()
        if ok:
            db.execute(
                "UPDATE accounts SET is_logged_in = 1, login_msg = '登录成功', "
                "updated_at = datetime('now','localtime') WHERE id = ?",
                (account_id,)
            )
        else:
            db.execute(
                "UPDATE accounts SET is_logged_in = 0, login_msg = ?, "
                "updated_at = datetime('now','localtime') WHERE id = ?",
                (msg, account_id)
            )
        db.commit()
        db.close()

    t = threading.Thread(target=_run, daemon=True)
    t.start()