from dotenv import load_dotenv
load_dotenv()

from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse
from pydantic import ValidationError
from fastapi.middleware.cors import CORSMiddleware


# FastAPI アプリケーション作成
app = FastAPI(
    title="日本小規模企業向け会計システム"
)



app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=False,
    allow_methods=["*"],
    allow_headers=["*"],
)

@app.exception_handler(ValidationError)
async def validation_exception_handler(request: Request, exc: ValidationError):
    # ここでは最初のエラーだけ簡潔に返す（必要に応じて整形）
    first = exc.errors()[0]
    msg = first.get("msg", "入力値が不正です。")
    return JSONResponse(status_code=400, content={"detail": msg})

# ─────────────────────────
# ルート（稼働確認）
# ─────────────────────────
@app.get("/", summary="稼働確認")
def root():
    return {"status": "ok"}

# ─────────────────────────
# ルーター登録（※ 必ず app 定義の後）
# ─────────────────────────
from app.modules.accounts.router import router as accounts_router
app.include_router(accounts_router)


from app.modules.journals.router import router as journals_router
app.include_router(journals_router)


from app.modules.ledger.router import router as ledger_router
app.include_router(ledger_router)


from app.modules.trial_balance.router import router as trial_balance_router
app.include_router(trial_balance_router)

from app.modules.opening_balances.router import router as opening_router
app.include_router(opening_router)

from app.modules.general_ledger.router import router as general_ledger_router
app.include_router(general_ledger_router)

from app.modules.opening_balances.lock_router import router as opening_balance_lock_router
app.include_router(opening_balance_lock_router)

from app.routers import journal_entries
from app.routers import cash
from app.routers import accounts

app.include_router(journal_entries.router)
app.include_router(cash.router)
app.include_router(accounts.router)


from app.routers import month_locks
app.include_router(month_locks.router)

from app.routers import year_locks
app.include_router(year_locks.router)

from app.routers import cash
app.include_router(cash.router)

from app.routers import file_upload
app.include_router(file_upload.router)

# ─────────────────────────
# 給与モジュール (Payroll Module)
# ─────────────────────────
from app.payroll.employees.router import router as payroll_employees_router
app.include_router(payroll_employees_router)

from app.payroll.settings.router import router as payroll_settings_router
app.include_router(payroll_settings_router)

from app.payroll.settings.standard_remuneration_router import router as standard_remuneration_router
app.include_router(standard_remuneration_router)

from app.payroll.calculation.router import router as payroll_calculation_router
app.include_router(payroll_calculation_router)

from app.payroll.bonus.router import router as payroll_bonus_router
app.include_router(payroll_bonus_router)


from fastapi.staticfiles import StaticFiles
import os
from pathlib import Path

# アップロードファイル用の静的ファイル配信
uploads_dir = Path("uploads")
uploads_dir.mkdir(exist_ok=True)
app.mount(
    "/uploads",
    StaticFiles(directory="uploads"),
    name="uploads",
)

# 静的ファイル配信（コメントアウト - ディレクトリが存在しない）
# app.mount(
#     "/static",
#     StaticFiles(directory="app/static", html=True),
#     name="static",
# )

# フロントエンドファイル配信
frontend_path = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "frontend")
if os.path.exists(frontend_path):
    app.mount(
        "/frontend",
        StaticFiles(directory=frontend_path, html=True),
        name="frontend",
    )
else:
    print(f"Frontend path not found: {frontend_path}")