package handlers

import (
	"io"
	"net/http"
	"os"
	"path/filepath"

	"git.max-richter.dev/max/marka/server/internal/httpx"
)

func (h *File) post(w http.ResponseWriter, r *http.Request, target string) {
	if err := os.MkdirAll(filepath.Dir(target), 0o755); err != nil {
		httpx.WriteError(w, http.StatusInternalServerError, err)
		return
	}

	tmpPath := target + ".tmp~"
	f, err := os.Create(tmpPath)
	if err != nil {
		httpx.WriteError(w, http.StatusInternalServerError, err)
		return
	}

	_, copyErr := io.Copy(f, r.Body)
	closeErr := f.Close()

	if copyErr != nil {
		os.Remove(tmpPath)
		httpx.WriteError(w, http.StatusInternalServerError, copyErr)
		return
	}
	if closeErr != nil {
		os.Remove(tmpPath)
		httpx.WriteError(w, http.StatusInternalServerError, closeErr)
		return
	}

	if err := os.Rename(tmpPath, target); err != nil {
		os.Remove(tmpPath)
		httpx.WriteError(w, http.StatusInternalServerError, err)
		return
	}

	w.Header().Set("Location", r.URL.Path)
	w.WriteHeader(http.StatusCreated)
}