from PIL import Image, ImageDraw, ImageFont, ImageEnhance
from pilmoji import Pilmoji
from flask import Flask, request, send_file
import textwrap
import requests
import warnings
import base64
import io

# 警告無効化
warnings.simplefilter("ignore")

BASE_GD_IMAGE = Image.open("images/base-gd.png")
BASE_IMAGE = Image.open("images/base.png")
MPLUS_FONT = ImageFont.truetype("fonts/MPLUSRounded1c-Regular.ttf", size=16)

def draw_text(im,ofs,string,font="fonts/MPLUSRounded1c-Regular.ttf",size=16,color=(0,0,0,255),split_len=None,padding=4,auto_expand=False,disable_dot_wrap=False):
    
    draw = ImageDraw.Draw(im)
    fontObj = ImageFont.truetype(font,size=size)

    pure_lines = []
    pos = 0
    l = ""

    if not disable_dot_wrap:
        for char in string:
            if char == "\n":
                pure_lines.append(l)
                l = ""
                pos += 1
            elif char == "、" or char == ",":
                pure_lines.append(l + ("、" if char == "、" else ","))
                l = ""
                pos += 1
            elif char == "。" or char == ".":
                pure_lines.append(l + ("。" if char == "。" else "."))
                l = ""
                pos += 1
            else:
                l += char
                pos += 1

        if l:
            pure_lines.append(l)
    else:
        pure_lines = string.split("\n")

    lines = []

    for line in pure_lines:
        lines.extend(textwrap.wrap(line,width=split_len))
    
    dy = 0

    draw_lines = []

    # 計算
    for line in lines:
        tsize = fontObj.getsize(line)

        ofs_y = ofs[1] + dy
        t_height = tsize[1]

        x = int(ofs[0] - (tsize[0]/2))
        draw_lines.append((x,ofs_y,line))
        ofs_y += t_height + padding
        dy += t_height + padding
    
    # 描画
    adj_y = -30 * (len(draw_lines)-1)
    for dl in draw_lines:
        with Pilmoji(im) as p:
            p.text((dl[0],(adj_y + dl[1])),dl[2],font=fontObj,fill=color)

    real_y = ofs[1] + adj_y + dy

    return (0,dy,real_y)

def make(name,id,content,icon):
    img = BASE_IMAGE.copy()

    icon = Image.open(io.BytesIO(requests.get(icon).content))
    icon = icon.resize((720,720),Image.LANCZOS)
    icon = icon.convert("L")
    icon_filtered = ImageEnhance.Brightness(icon)

    img.paste(icon_filtered.enhance(0.7),(0,0))

    # グラデーション描画
    img.paste(BASE_GD_IMAGE,(0,0),BASE_GD_IMAGE)

    # テキスト
    tx = ImageDraw.Draw(img)

    # 文章描画
    tsize_t = draw_text(img,(890,270),content,size=45,color=(255,255,255,255),split_len=16,auto_expand=True)

    # 名前描画
    name_y = tsize_t[2] + 40
    tsize_name = draw_text(img,(890,name_y),name,size=25,color=(255,255,255,255),split_len=25,disable_dot_wrap=True)

    # ID描画
    id_y = name_y + tsize_name[1] + 4
    tsize_id = draw_text(img,(890,id_y),id,size=18,color=(180,180,180,255),split_len=45,disable_dot_wrap=True)

    # TakasumiBOT描画
    tx.text((1125, 694),"TakasumiBOT#7189",font=MPLUS_FONT,fill=(120,120,120,255))

    file = io.BytesIO()
    img.save(file,format="PNG",quality=95)
    file.seek(0)
    return file

# APiサーバー
app = Flask(__name__)
@app.route("/",methods=["GET"])
def main():
    res = make(
        request.args.get("name") or "名無し#0000",
        request.args.get("id") or "0000000000000000000",
        request.args.get("content") or "これはテストです",
        request.args.get("icon") or "https://cdn.discordapp.com/embed/avatars/0.png"
    )
    return send_file(res,mimetype="image/png")
# 起動
app.run(host="0.0.0.0",port=5000)