package app

import (
	"bytes"
	"mime/multipart"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestParseRawUploadRequiresName(t *testing.T) {
	req := httptest.NewRequest(http.MethodPost, "/files", bytes.NewReader([]byte("hello")))
	req.Header.Set("Content-Type", "application/octet-stream")

	_, err := parseRawUpload(req)
	if err == nil {
		t.Fatal("expected error for missing name")
	}
}

func TestParseMultipartUploadUsesFileMetadata(t *testing.T) {
	var body bytes.Buffer
	writer := multipart.NewWriter(&body)

	part, err := writer.CreateFormFile("file", "note.txt")
	if err != nil {
		t.Fatalf("create form file: %v", err)
	}
	if _, err := part.Write([]byte("hello world")); err != nil {
		t.Fatalf("write form file: %v", err)
	}
	_ = writer.WriteField("project", "amcs")
	_ = writer.WriteField("kind", "document")
	if err := writer.Close(); err != nil {
		t.Fatalf("close writer: %v", err)
	}

	req := httptest.NewRequest(http.MethodPost, "/files", &body)
	req.Header.Set("Content-Type", writer.FormDataContentType())

	got, err := parseMultipartUpload(req)
	if err != nil {
		t.Fatalf("parse multipart upload: %v", err)
	}
	if got.Name != "note.txt" {
		t.Fatalf("name = %q, want note.txt", got.Name)
	}
	if string(got.Content) != "hello world" {
		t.Fatalf("content = %q, want hello world", string(got.Content))
	}
	if got.Project != "amcs" {
		t.Fatalf("project = %q, want amcs", got.Project)
	}
	if got.Kind != "document" {
		t.Fatalf("kind = %q, want document", got.Kind)
	}
}
