from pathlib import Path

from fastapi import APIRouter, Depends, Header, HTTPException, Request
from fastapi.responses import FileResponse

from app.core.security import admin_auth, token_digest
from app.repositories import crash_report_repository


router = APIRouter(tags=["admin-crash-report"])


@router.get("/admin/crash-report/list")
def admin_crash_report_list(limit: int = 300, auth=Depends(admin_auth)):
    limit = max(1, min(limit, 1000))
    return {"list": crash_report_repository.list_crash_reports(limit)}


@router.get("/admin/crash-report/file/{report_id}/{file_name}")
def admin_crash_report_file(
    report_id: str,
    file_name: str,
    request: Request,
    X_Admin_Token: str = Header(""),
    auth=Depends(admin_auth),
):
    allowed = {
        "metadata": "metadata.json",
        "metadata.json": "metadata.json",
        "minidump": "crash.dmp",
        "crash.dmp": "crash.dmp",
        "attachments": "attachments.zip",
        "attachments.zip": "attachments.zip",
        "server": "server.json",
        "server.json": "server.json",
    }
    stored_name = allowed.get(file_name)
    if not stored_name:
        raise HTTPException(status_code=404, detail="崩溃报告文件不存在")

    row = crash_report_repository.get_crash_report(report_id)
    if not row:
        raise HTTPException(status_code=404, detail="崩溃报告不存在")

    target = Path(row["storage_path"]) / stored_name
    if not target.is_file():
        raise HTTPException(status_code=404, detail="崩溃报告文件不存在")

    crash_report_repository.log_file_access(
        report_id,
        stored_name,
        token_digest(X_Admin_Token)[:16],
        request.client.host if request.client else "",
        request.headers.get("user-agent", "")[:300],
    )
    return FileResponse(target, media_type="application/octet-stream", filename=stored_name)