# server_simple.py - упрощенная версия без Jinja2
import re
import json
from datetime import datetime
from pathlib import Path
from fastapi import FastAPI, Form
from fastapi.responses import HTMLResponse, JSONResponse
from fastapi.staticfiles import StaticFiles

# ==================== КОНФИГУРАЦИЯ ====================
HOST = "0.0.0.0"
PORT = 8000

BASE_DIR = Path(__file__).parent
STATIC_DIR = BASE_DIR / "static"
DATA_DIR = BASE_DIR / "data"

STATIC_DIR.mkdir(exist_ok=True)
DATA_DIR.mkdir(exist_ok=True)
(STATIC_DIR / "css").mkdir(exist_ok=True)
(STATIC_DIR / "js").mkdir(exist_ok=True)

app = FastAPI()
app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")

# Читаем HTML файл
HTML_FILE = BASE_DIR / "templates" / "index.html"


def save_registration_to_file(data: dict) -> dict:
    filepath = DATA_DIR / "registrations.json"
    registrations = []
    if filepath.exists():
        try:
            with open(filepath, 'r', encoding='utf-8') as f:
                registrations = json.load(f)
        except:
            registrations = []

    new_record = {
        "id": len(registrations) + 1,
        "created_at": datetime.now().isoformat(),
        **data,
        "status": "pending"
    }
    registrations.append(new_record)
    with open(filepath, 'w', encoding='utf-8') as f:
        json.dump(registrations, f, ensure_ascii=False, indent=2)
    return new_record


@app.get("/", response_class=HTMLResponse)
async def get_landing_page():
    if HTML_FILE.exists():
        with open(HTML_FILE, 'r', encoding='utf-8') as f:
            return HTMLResponse(content=f.read())
    else:
        return HTMLResponse(content="<h1>Файл templates/index.html не найден</h1>")


@app.post("/api/register")
async def register(
        fullname: str = Form(...),
        email: str = Form(...),
        phone: str = Form(...),
        company: str = Form(...),
        businessSize: str = Form(""),
        message: str = Form(""),
        agree: bool = Form(False)
):
    if not agree:
        return JSONResponse(status_code=400, content={"success": False, "message": "Необходимо согласие"})

    data = {
        "fullname": fullname.strip(),
        "email": email.strip().lower(),
        "phone": phone.strip(),
        "company": company.strip(),
        "businessSize": businessSize,
        "message": message.strip(),
    }

    try:
        save_registration_to_file(data)
        return JSONResponse(content={"success": True, "message": "Заявка отправлена!"})
    except Exception as e:
        return JSONResponse(status_code=500, content={"success": False, "message": str(e)})


@app.get("/admin/registrations", response_class=HTMLResponse)
async def admin_registrations():
    filepath = DATA_DIR / "registrations.json"
    registrations = []
    if filepath.exists():
        with open(filepath, 'r', encoding='utf-8') as f:
            registrations = json.load(f)

    html = "<h1>Заявки</h1><table border='1'>"
    for r in registrations:
        html += f"<tr><td>{r.get('fullname')}</td><td>{r.get('email')}</td></tr>"
    html += "</table><a href='/'>Назад</a>"
    return HTMLResponse(content=html)


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(app, host=HOST, port=PORT)