// Copyright 2023 Woodpecker Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package multipart

import (
	"bytes"
	"io"
	"testing"
)

func TestReader(t *testing.T) {
	b := bytes.NewBufferString(sample)
	m := New(b)

	part, err := m.NextPart()
	if err != nil {
		t.Error(err)
		return
	}

	header := part.Header()
	if got, want := header.Get("Content-Type"), "text/plain"; got != want {
		t.Errorf("Want Content-Type %q, got %q", want, got)
	}
	body, err := io.ReadAll(part)
	if err != nil {
		t.Error(err)
		return
	}
	if got, want := string(body), sampleTextPlain; got != want {
		t.Errorf("Want body %q, got %q", want, got)
	}

	part, err = m.NextPart()
	if err != nil {
		t.Error(err)
		return
	}
	header = part.Header()
	if got, want := header.Get("Content-Type"), "application/json+coverage"; got != want {
		t.Errorf("Want Content-Type %q, got %q", want, got)
	}
	if got, want := header.Get("X-Covered"), "96.00"; got != want {
		t.Errorf("Want X-Covered %q, got %q", want, got)
	}
	if got, want := header.Get("X-Covered-Lines"), "96"; got != want {
		t.Errorf("Want X-Covered-Lines %q, got %q", want, got)
	}
	if got, want := header.Get("X-Total-Lines"), "100"; got != want {
		t.Errorf("Want X-Total-Lines %q, got %q", want, got)
	}
}

var sample = `PIPELINE
Content-Type: multipart/mixed; boundary=boundary

--boundary
Content-Type: text/plain

match: pipeline/frontend/yaml/compiler/coverage.out
match: pipeline/frontend/yaml/coverage.out
match: pipeline/frontend/yaml/linter/coverage.out

--boundary
Content-Type: application/json+coverage
X-Covered: 96.00
X-Covered-Lines: 96
X-Total-Lines: 100

{"metrics":{"covered_lines":96,"total_lines":100}}

--boundary--
`

var sampleTextPlain = `match: pipeline/frontend/yaml/compiler/coverage.out
match: pipeline/frontend/yaml/coverage.out
match: pipeline/frontend/yaml/linter/coverage.out
`