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src/web/app.py

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+"""
+FastAPI 应用主文件
+轻量级 Web UI，支持注册、账号管理、设置
+"""
+
+import logging
+from pathlib import Path
+from typing import Optional
+
+from fastapi import FastAPI, Request
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import HTMLResponse
+
+from ..config.settings import get_settings
+from .routes import api_router
+
+logger = logging.getLogger(__name__)
+
+# 获取项目根目录
+PROJECT_ROOT = Path(__file__).parent.parent.parent
+
+# 静态文件和模板目录
+STATIC_DIR = PROJECT_ROOT / "static"
+TEMPLATES_DIR = PROJECT_ROOT / "templates"
+
+
+def create_app() -> FastAPI:
+    """创建 FastAPI 应用实例"""
+    settings = get_settings()
+
+    app = FastAPI(
+        title=settings.app_name,
+        version=settings.app_version,
+        description="OpenAI/Codex CLI 自动注册系统 Web UI",
+        docs_url="/api/docs" if settings.debug else None,
+        redoc_url="/api/redoc" if settings.debug else None,
+    )
+
+    # CORS 中间件
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=["*"],
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+    # 挂载静态文件
+    if STATIC_DIR.exists():
+        app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
+        logger.info(f"静态文件目录: {STATIC_DIR}")
+    else:
+        # 创建静态目录
+        STATIC_DIR.mkdir(parents=True, exist_ok=True)
+        app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
+        logger.info(f"创建静态文件目录: {STATIC_DIR}")
+
+    # 创建模板目录
+    if not TEMPLATES_DIR.exists():
+        TEMPLATES_DIR.mkdir(parents=True, exist_ok=True)
+        logger.info(f"创建模板目录: {TEMPLATES_DIR}")
+
+    # 注册 API 路由
+    app.include_router(api_router, prefix="/api")
+
+    # 模板引擎
+    templates = Jinja2Templates(directory=str(TEMPLATES_DIR))
+
+    @app.get("/", response_class=HTMLResponse)
+    async def index(request: Request):
+        """首页 - 注册页面"""
+        return templates.TemplateResponse("index.html", {"request": request})
+
+    @app.get("/accounts", response_class=HTMLResponse)
+    async def accounts_page(request: Request):
+        """账号管理页面"""
+        return templates.TemplateResponse("accounts.html", {"request": request})
+
+    @app.get("/settings", response_class=HTMLResponse)
+    async def settings_page(request: Request):
+        """设置页面"""
+        return templates.TemplateResponse("settings.html", {"request": request})
+
+    @app.on_event("startup")
+    async def startup_event():
+        """应用启动事件"""
+        logger.info("=" * 50)
+        logger.info(f"{settings.app_name} v{settings.app_version} 启动中...")
+        logger.info(f"调试模式: {settings.debug}")
+        logger.info(f"数据库: {settings.database_url}")
+        logger.info("=" * 50)
+
+    @app.on_event("shutdown")
+    async def shutdown_event():
+        """应用关闭事件"""
+        logger.info("应用关闭")
+
+    return app
+
+
+# 创建全局应用实例
+app = create_app()