from flask import Blueprint, jsonify, request, current_app
from utils.data_loader import load_data
from utils.json_crud import load_json, save_json, add_entry, delete_entry, update_entry
from models.project_model import ProjectModel
import os

DATA_DIR = os.path.join(os.path.dirname(__file__), '../data')
PROJECTS_FILE = os.path.join(DATA_DIR, 'projects.json')

projects_bp = Blueprint('projects', __name__, url_prefix='/api/projects')

@projects_bp.route('/', methods=['GET'])
def get_projects():
    projects = load_data('projects.json')
    return jsonify(projects)

@projects_bp.route('/<project_id>', methods=['GET'])
def get_project(project_id):
    projects = load_data('projects.json')
    project = next((p for p in projects if p.get('id') == project_id), None)
    print(project)
    return jsonify(project)

@projects_bp.route('/', methods=['POST'])
def create_project():
    key = request.headers.get('x-api-key')
    
    if key != current_app.config['API_KEY']:
        return jsonify({
            "error": "Unauthorized"
        }), 401
    projects = load_data('projects.json')
    entry = request.json

    project = ProjectModel(entry)

    if not project.is_valid():
        return jsonify({
            "error": "Invalid project data"
        }), 400

    new_id = max((p.get('id') for p in projects), default=0) + 1

    data = project.to_dict()
    data['id'] = new_id

    added = add_entry(PROJECTS_FILE, data)
    return jsonify(added), 201

@projects_bp.route('/<project_id>', methods=['DELETE'])
def delete_project(project_id):
    projects = load_data(PROJECTS_FILE)
    project = next((p for p in projects if str(p.get('id')) == project_id), None)

    if project:
        deleted = delete_entry(PROJECTS_FILE, project_id)
        return jsonify(deleted), 200
    return jsonify({"error": "Project not found"}), 404