from flask import Blueprint, request, jsonify
from flask_login import login_required
from ldap_utils import search_ldap_principals, search_ldap_groups

api_bp = Blueprint('api', __name__, url_prefix='/api')

@api_bp.route('/ldap-search', methods=['GET'])
@login_required
def ldap_search():
    """
    API endpoint for searching LDAP principals.
    Returns JSON data for Tom Select dropdown.
    """
    search_term = request.args.get('q', '').strip()
    
    print(f"[DEBUG] LDAP API 搜尋請求: '{search_term}'")
    
    if not search_term or len(search_term) < 2:
        print(f"[DEBUG] 搜尋詞太短，返回空結果")
        return jsonify([])
    
    try:
        print(f"[DEBUG] 開始 LDAP 搜尋: '{search_term}'")
        
        # 搜尋使用者
        user_results = search_ldap_principals(search_term, limit=15)
        print(f"[DEBUG] LDAP 使用者搜尋結果數量: {len(user_results)}")
        
        # 搜尋群組
        group_results = search_ldap_groups(search_term, limit=5)
        print(f"[DEBUG] LDAP 群組搜尋結果數量: {len(group_results)}")
        
        # Format results for Tom Select
        formatted_results = []
        
        # 加入使用者結果
        for result in user_results:
            formatted_result = {
                'value': result['email'],
                'text': f"👤 {result['name']} ({result['email']})",
                'type': 'user'
            }
            formatted_results.append(formatted_result)
            print(f"[DEBUG] 格式化使用者結果: {result['name']} - {result['email']}")
        
        # 加入群組結果
        for result in group_results:
            # 對群組，使用群組名稱作為 value，在發送郵件時再展開成員
            formatted_result = {
                'value': f"group:{result['name']}",  # 特殊前綴表示這是群組
                'text': f"👥 {result['name']} ({result['member_count']} 成員)",
                'type': 'group'
            }
            formatted_results.append(formatted_result)
            print(f"[DEBUG] 格式化群組結果: {result['name']} - {result['member_count']} 成員")
        
        print(f"[DEBUG] 返回 {len(formatted_results)} 個搜尋結果")
        return jsonify(formatted_results)
    
    except Exception as e:
        print(f"[DEBUG] LDAP search API error: {e}")
        import traceback
        traceback.print_exc()
        return jsonify({'error': 'Search failed'}), 500

@api_bp.route('/debug-form', methods=['POST'])
@login_required
def debug_form():
    """接收前端表單除錯資訊"""
    try:
        data = request.get_json()
        print(f"[FRONTEND DEBUG] 收到前端除錯資料:")
        print(f"[FRONTEND DEBUG]   selectedValues: {data.get('selectedValues')}")
        print(f"[FRONTEND DEBUG]   recipientValue: {data.get('recipientValue')}")
        print(f"[FRONTEND DEBUG]   hiddenFieldValue: {data.get('hiddenFieldValue')}")
        print(f"[FRONTEND DEBUG]   tomSelectValue: {data.get('tomSelectValue')}")
        return jsonify({'status': 'received'})
    except Exception as e:
        print(f"[FRONTEND DEBUG] 錯誤: {e}")
        return jsonify({'error': str(e)}), 400