from flask import Blueprint, render_template, request, url_for, flash, redirect, send_from_directory,  make_response, current_app
from database import get_owp_db
import os
import sqlite3

def get_owp_db_conn():
    conn = sqlite3.connect('/var/open-ww3-project-ww3-tw/databases/sqlite/owp.db')
    conn.row_factory = sqlite3.Row
    return conn

blog_bp = Blueprint('blog', __name__)

@blog_bp.route('/')
def home():
    db = get_owp_db()
    conn = get_owp_db_conn()
    sql_logs = "SELECT * from logs;"
    sql_posts = "SELECT * from posts;"
    logs = conn.execute(sql_logs).fetchall()
    posts = conn.execute(sql_posts).fetchall()
    conn.close()
    return render_template('home.html', logs=logs[::-1], posts=posts[::-1])

@blog_bp.route('/about/')
def about():
    return render_template('about.html')
    pass

@blog_bp.route('/posts/')
def posts_list():
    conn = get_owp_db_conn()
    sql_posts = "SELECT * from posts;"
    posts = conn.execute(sql_posts).fetchall()
    conn.close()
    return render_template('list.html', posts=posts[::-1])

@blog_bp.route('/posts/<int:posts_id>/')
def show_posts_id(posts_id):
    conn = get_owp_db_conn()
    sql_posts = "SELECT * FROM posts WHERE id = ?"
    posts = conn.execute(sql_posts, (posts_id,)).fetchone()
    conn.close()
    return render_template('posts.html', posts=posts)




# 数据库测试
@blog_bp.route('/db_test/')
def test_db():
    db = get_owp_db()

    try:
        cur = db.execute('SELECT sqlite_version();')
        ver = cur.fetchone()[0]
        return f"数据库连接成功！SQLite 版本是: {ver}"
    except Exception as e:
        return f"连接失败: {str(e)}"

######
## 网站地图 及其 robots 配置

@blog_bp.route('/robots.txt/')
def robots():
    return send_from_directory(current_app.static_folder, 'robots.txt')

@blog_bp.route('/google02f6a3f6004a32c6.html')
def google02f6a3f6004a32c6():
    return send_from_directory(blog_bp.static_folder, 'google02f6a3f6004a32c6.html')


@blog_bp.route('/sitemap.xml/')
def sitemap():
    conn = get_owp_db_conn()
    sql_posts = "SELECT * from posts;"
    posts = conn.execute(sql_posts).fetchall()
    conn.close()
    template = render_template('sitemap.xml', posts=posts[::-1], base_url="https://open-ww3-project.ww3.tw/blog/")
    response = make_response(template)
    response.headers['Content-Type'] = 'application/xml'
    return response

@blog_bp.errorhandler(404)
def not_found_error(error):
    return '404 not found', 404