#api/markdown.py
from flask import Blueprint, request, jsonify

import api
from api import require_auth
from contexts.RequestContext import RequestContext
from db import get_db
from db.models.Markdown import Markdown
import logging
from api import limiter
logger = logging.getLogger(__name__)

markdown_bp = Blueprint('markdown', __name__, url_prefix='/api/markdown')

@markdown_bp.route('/', methods=['GET'])
@limiter.limit(api.get_rate_limit)
def get_markdowns():
    with get_db() as session:
        mds = session.query(Markdown).all()
    return jsonify([md.to_dict() for md in mds]), 200

@markdown_bp.route('/by_path/<int:path_id>', methods=['GET'])
@limiter.limit(api.get_rate_limit)
def get_markdowns_by_path(path_id):
    with get_db() as session:
        markdowns = session.query(Markdown).filter(Markdown.path_id == path_id).all()
        return jsonify([md.to_dict() for md in markdowns]), 200
@markdown_bp.route('/get_index/<int:path_id>', methods=['GET'])
@limiter.limit(api.get_rate_limit)
def get_index(path_id):
    with get_db() as session:
        markdown = session.query(Markdown).filter(Markdown.path_id == path_id).filter(Markdown.title == "index").first()
        if markdown is None:
            return jsonify({"error": "index not exist"}), 404
        return jsonify(markdown.to_dict()), 200



@markdown_bp.route('/<int:markdown_id>', methods=['GET'])
@limiter.limit(api.get_rate_limit)
def get_markdown(markdown_id):
    with get_db() as session:
        markdown = session.query(Markdown).get(markdown_id)
        if markdown is None:
            return jsonify({"error": "file not found"}), 404
        return jsonify(markdown.to_dict()), 200

@markdown_bp.route('/', methods=['POST'])
@require_auth(roles=['admin', 'creator'])
@limiter.limit(api.get_rate_limit)
def create_markdown():
    data = request.json
    title = data.get('title')
    content = data.get('content')
    path_id = data.get('path_id')
    if not title or not content:
        return jsonify({"error": "missing required fields"}), 400
    new_markdown = Markdown(title=title, content=content, path_id=path_id)
    with get_db() as session:
        try:
            session.add(new_markdown)
            session.commit()
            return jsonify(new_markdown.to_dict()), 201
        except Exception as e:
            logger.error(f"failed to create markdown: {e}")
            errno = RequestContext.get_error_id()
            session.rollback()
            return jsonify({"error": f"create failed - {errno}"}), 500

@markdown_bp.route('/<int:markdown_id>', methods=['PUT'])
@require_auth(roles=['admin', 'creator'])
@limiter.limit(api.get_rate_limit)
def update_markdown(markdown_id):
    with get_db() as session:
        markdown = session.query(Markdown).get(markdown_id)
        if markdown is None:
            return jsonify({"error": "file not found"}), 404
        data = request.json
        markdown.title = data.get('title')
        markdown.content = data.get('content')
        markdown.path_id = data.get('path_id')
        session.commit()
        return jsonify(markdown.to_dict()), 200

@markdown_bp.route('/<int:markdown_id>', methods=['DELETE'])
@require_auth(roles=['admin'])
@limiter.limit(api.get_rate_limit)
def delete_markdown(markdown_id):
    with get_db() as session:
        markdown = session.query(Markdown).get(markdown_id)
        if markdown is None:
            logger.error(f"failed to delete markdown: {markdown_id}")
            errno = RequestContext.get_error_id()
            return jsonify({"error": f"file not found - {errno}"}), 404
        session.delete(markdown)
        session.commit()
        return jsonify({"message": "deleted"}), 200