#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
將導航列改為深灰色調，與淺色背景更協調
"""
import os
import re
from pathlib import Path

def apply_dark_gray_navbar(file_path):
    """將導航列改為深灰色調"""
    try:
        with open(file_path, 'r', encoding='utf-8') as f:
            content = f.read()

        original_content = content

        # 將 bg-dark 改為自定義類別
        content = re.sub(
            r'<nav class="navbar navbar-expand-xl navbar-dark bg-dark([^"]*)"',
            r'<nav class="navbar navbar-expand-xl navbar-dark bg-custom-dark\1"',
            content
        )

        # 檢查是否需要添加自定義樣式
        if 'bg-custom-dark' in content and '.navbar.bg-custom-dark' not in content:
            # 在 </style> 之前添加自定義樣式
            custom_navbar_style = """        /* Custom Dark Gray Navbar */
        .navbar.bg-custom-dark {
            background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
            box-shadow: 0 2px 8px rgba(0,0,0,0.15);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .navbar.bg-custom-dark .navbar-brand {
            color: #ffffff;
            font-weight: 600;
        }

        .navbar.bg-custom-dark .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .navbar.bg-custom-dark .navbar-nav .nav-link:hover {
            color: #ffffff;
        }

        .navbar.bg-custom-dark .navbar-nav .nav-link.active {
            color: #ffffff;
            font-weight: 600;
        }

        .navbar.bg-custom-dark .navbar-text {
            color: rgba(255, 255, 255, 0.75);
        }

"""
            content = content.replace('    </style>', custom_navbar_style + '    </style>')

        # 只有內容改變時才寫入
        if content != original_content:
            with open(file_path, 'w', encoding='utf-8') as f:
                f.write(content)
            return True
        return False

    except Exception as e:
        print(f"處理 {file_path} 時發生錯誤: {e}")
        return False

def main():
    """主程序"""
    base_dir = Path(__file__).parent
    html_files = list(base_dir.glob("*.html"))

    updated_count = 0

    print(f"找到 {len(html_files)} 個 HTML 文件")
    print("=" * 60)

    for html_file in html_files:
        if apply_dark_gray_navbar(html_file):
            print(f"✅ 已更新: {html_file.name}")
            updated_count += 1
        else:
            print(f"⏭️  跳過: {html_file.name}")

    print("=" * 60)
    print(f"✅ 完成！共更新 {updated_count} 個文件為深灰色導航列")

if __name__ == "__main__":
    main()