import os
from app.utils.config import load_config, save_config, get_server_settings
from fastapi import FastAPI, Request, Form
from fastapi.responses import HTMLResponse, RedirectResponse
from fastapi.templating import Jinja2Templates
from fastapi.staticfiles import StaticFiles
from app.utils.plex_client import connect_plex

app = FastAPI()
templates = Jinja2Templates(directory=os.path.join(os.path.dirname(__file__), "templates"))

# mount static files
# 这里的路径是相对于 main.py 文件所在的目录
app.mount("/static", StaticFiles(directory=os.path.join(os.path.dirname(__file__), "static")), name="static")


# 显示主页
@app.get("/", response_class=HTMLResponse)
async def home(request: Request):
    config = load_config()
    theme = config.get("theme", "auto")
    token,scheme, host, port = get_server_settings(config)
    return templates.TemplateResponse(
        "login.html",
        {
            "request": request,
            "theme": theme,
            "path": "/login",
            "scheme": scheme,
            "token": token,
            "server_url": host,
            "port": port,
        },
    )

# 登录页面和处理
@app.get("/login", response_class=HTMLResponse)
async def login_page(request: Request):
    config = load_config()
    theme = config.get("theme", "auto")
    token, scheme, host, port = get_server_settings(config)
    return templates.TemplateResponse(
        "login.html",
        {
            "request": request,
            "theme": theme,
            "path": "/login",
            "token": token,
            "scheme": scheme,
            "server_url": host,
            "port": port,
        },
    )

@app.post("/login", response_class=HTMLResponse)
async def login(
    request: Request,
    user: str = Form(...),
    pw: str = Form(...),
    token: str = Form(...),
    scheme: str = Form("https"),
    url: str = Form(...),
    port: str = Form("32400"),
):
    config = load_config()
    theme = config.get("theme", "auto")
    # 尝试连接到 Plex 服务器
    try:
        # 优先使用 token 连接，如果 token 为空则使用用户名和密码连接
        _, token_success = connect_plex(user, pw, token, scheme, url, port)
        # 成功连接后保存配置到配置文件
        config.update({
            "server_url": url,
            "server_scheme": scheme,
            "server_port": port,
            "token": token_success,
        })
        save_config(config)
        token, scheme, host, port = get_server_settings(config)
        return templates.TemplateResponse(
            "login.html",
            {
                "request": request,
                "message": "连接成功",
                "success": True,
                "theme": theme,
                "path": "/login",
                "token": token,
                "scheme": scheme,
                "server_url": host,
                "port": port,
            },
        )
    except Exception as e:
        return templates.TemplateResponse(
            "login.html",
            {
                "request": request,
                "message": f"连接失败：{str(e)}",
                "success": False,
                "theme": theme,
                "path": "/login",
                "scheme": scheme,
                "server_url": url,
                "port": port,
            },
        )

@app.get("/playlist", response_class=HTMLResponse)
async def get_playlist(request: Request):
    config = load_config()
    theme = config.get("theme", "auto")
    return templates.TemplateResponse("playlist.html", {"request": request, "theme": theme, "path": "/playlist"})

@app.post("/playlist", response_class=HTMLResponse)
async def set_playlist(request: Request, address: str = Form(...), interval: str = Form(...)):
    config = load_config()
    theme = config.get("theme", "auto")
    # demo：返回提交的设置
    return templates.TemplateResponse("playlist.html", {
        "request": request,
        "message": f"设置成功：地址 {address}，间隔 {interval} 分钟",
        "theme": theme,
        "path": "/playlist"
    })

@app.post("/set-theme")
async def set_theme(theme: str = Form(...)):
    config = load_config()
    config["theme"] = theme
    save_config(config)
    return RedirectResponse("/login", status_code=303)