from flask import Blueprint, send_file, jsonify, request

from PIL import Image, ImageDraw, ImageFont
import random
import unicodedata
import os
import io
import json

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

app_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

static_path = os.path.join(app_root, 'static')


# 生成随机汉字
def get_random_common_char():
    # 读取文件中的常用汉字

    with open(os.path.join(static_path, 'demo.txt'), 'r', encoding='utf-8') as f:
        common_chars = f.read()
        # 去除空格
        common_chars = common_chars.replace(' ', '')
        common_chars = common_chars.strip()

        # 创建字符映射表
        translator = {ord(c): None for c in common_chars if unicodedata.category(c).startswith('P')}

        # 使用字符映射表去除标点符号
        s = common_chars.translate(translator)

    return random.choice(s)


# 生成电话号码
def generate_phone_number():
    # 随机生成手机号码的前缀
    prefix = random.choice(['130', '131', '132', '133', '134', '135', '136', '137', '138', '139',
                            '150', '151', '152', '153', '155', '156', '157', '158', '159',
                            '180', '181', '182', '183', '184', '185', '186', '187', '188', '189'])
    # 随机生成手机号码的后缀
    suffix = ''.join(random.choice(['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']) for _ in range(8))
    # 将前缀和后缀组合起来，生成手机号码
    return prefix + suffix


@api.route('/avatars')
def index():
    name = request.args.get("name", '空值')
    han_char = ''  # 待生成的字符串

    if name == '空值':

        # 可以生成任意内容
        han_char1 = get_random_common_char()
        han_char2 = get_random_common_char()
        han_char = han_char1 + han_char2
    else:
        han_char = name[:2]
    # 生成图片
    image = Image.new('RGB', (64, 64), (255, 255, 255))
    draw = ImageDraw.Draw(image)
    font = ImageFont.truetype(os.path.join(static_path, 'font/msyh.ttf'), 28)

    # 绘制一个圆形
    # 正方形的中心坐标
    x = 32.0
    y = 32.0
    # 正方形的边长
    length = 62.0
    # 计算半径
    r = length / 2
    # 计算圆的左上角和右下角的坐标
    left = x - r
    top = y - r
    right = x + r
    bottom = y + r
    draw.ellipse((left, top, right, bottom), fill=(0, 129, 255))
    draw.text((4, 12), han_char, font=font, fill=(255, 255, 255))
    # 将图像转换成字节流
    buf = io.BytesIO()
    image.save(buf, format='png')
    buf.seek(0)

    return send_file(buf, mimetype='image/png')


@api.route('/phone')
def phone():
    phone_number = generate_phone_number()
    phone = {
        'phone': phone_number
    }

    return jsonify(phone)