#!/usr/bin/env python3
"""
MDclient 認證範例

展示如何進行認證和登入
"""

from mdclient import MDAuth, MDClient
import os

def basic_login_example():
    """基本登入範例"""
    print("=== 基本登入範例 ===\n")

    # 建立認證物件
    auth = MDAuth(
        base_url="https://codimd.lotimmy.com",
        cookie_file="key.conf"
    )

    # 登入
    email = "your@email.com"
    password = "your_password"
    success = auth.login(email, password)

    if success:
        print("✓ 登入成功！")

        # 測試 Cookie
        is_valid = auth.test_cookie()
        print(f"Cookie 有效: {is_valid}")
    else:
        print("✗ 登入失敗")

def env_login_example():
    """使用環境變數登入"""
    print("\n=== 使用環境變數登入 ===\n")

    # 從環境變數讀取
    email = os.getenv('MDCLIENT_EMAIL')
    password = os.getenv('MDCLIENT_PASSWORD')
    url = os.getenv('MDCLIENT_URL', 'https://codimd.lotimmy.com')

    if email and password:
        auth = MDAuth(base_url=url)
        success = auth.login(email, password)

        if success:
            print("✓ 使用環境變數登入成功")

            # 立即可用客戶端
            client = MDClient(base_url=url)
            notes = client.list_notes()
            print(f"找到 {len(notes)} 筆筆記")
    else:
        print("✗ 環境變數未設定")
        print("請在 .env 檔案中設定：")
        print("  MDCLIENT_EMAIL=your@email.com")
        print("  MDCLIENT_PASSWORD=your_password")

def load_existing_session():
    """載入已儲存的會話"""
    print("\n=== 載入已儲存的會話 ===\n")

    auth = MDAuth()

    # 檢查是否已有 Cookie
    cookies = auth.load_cookie()
    if cookies:
        print("✓ 找到已儲存的 Cookie")

        # 測試是否仍然有效
        is_valid = auth.test_cookie()
        if is_valid:
            print("✓ Cookie 仍然有效，可以直接使用")

            # 建立客戶端
            client = MDClient()
            notes = client.list_notes()
            print(f"找到 {len(notes)} 筆筆記")
        else:
            print("✗ Cookie 已過期，需要重新登入")
    else:
        print("✗ 找不到已儲存的 Cookie，請先登入")

def custom_server_example():
    """連接到自訂伺服器"""
    print("\n=== 連接到自訂伺服器 ===\n")

    # 連接到不同的伺服器
    auth = MDAuth(
        base_url="https://demo.hedgedoc.org",
        cookie_file="hedgedoc_cookies.conf"
    )

    print("提示：取消註解以下程式碼來登入")
    # auth.login("user@example.com", "password")

    # client = MDClient(
    #     base_url="https://demo.hedgedoc.org",
    #     cookie_file="hedgedoc_cookies.conf"
    # )

def quick_start():
    """快速開始指南"""
    print("=== 快速開始 ===\n")
    print("1. 基本使用：")
    print("""
from mdclient import MDAuth, MDClient

# 登入
auth = MDAuth()
auth.login("your@email.com", "password")

# 使用客戶端
client = MDClient()
notes = client.list_notes()
    """)

    print("\n2. 使用 .env 檔案：")
    print("""
# 建立 .env 檔案
echo "MDCLIENT_EMAIL=your@email.com" > .env
echo "MDCLIENT_PASSWORD=your_password" >> .env

# 在程式碼中使用
import os
from dotenv import load_dotenv
from mdclient import MDAuth, MDClient

load_dotenv()
auth = MDAuth()
auth.login(os.getenv('MDCLIENT_EMAIL'), os.getenv('MDCLIENT_PASSWORD'))

client = MDClient()
notes = client.list_notes()
    """)

    print("\n3. 連接到自訂伺服器：")
    print("""
from mdclient import MDAuth, MDClient

auth = MDAuth(base_url="https://your-server.com")
auth.login("user@example.com", "password")

client = MDClient(base_url="https://your-server.com")
notes = client.list_notes()
    """)

def error_handling_example():
    """錯誤處理範例"""
    print("\n=== 錯誤處理 ===\n")

    auth = MDAuth()
    success = auth.login("wrong@email.com", "wrong_password")

    if not success:
        print("✗ 登入失敗，請檢查帳密")

    # 檢查 Cookie 是否存在
    cookies = auth.load_cookie()
    if not cookies:
        print("✗ 找不到已儲存的會話，請先登入")
    else:
        print("✓ 找到已儲存的會話")

if __name__ == "__main__":
    quick_start()
    # basic_login_example()
    # env_login_example()
    # load_existing_session()
    # custom_server_example()
    # error_handling_example()