// SPDX-License-Identifier: GPL-3.0-or-later

package extract

import (
	"os"
	"path/filepath"
	"strings"
	"testing"
)

// TestRealDocuments reads documents made by the programs people use -
// LibreOffice 25.2 (docx, odt, doc, pdf, ods, xlsx, xls) and pandoc (pptx,
// epub) - from invented text, not ones built by hand in a test (triage
// 34s). The zip formats always run; a format that needs an external tool
// runs when that tool is installed and is skipped otherwise.
func TestRealDocuments(t *testing.T) {
	e := newWithPath(os.Getenv("PATH"))
	found := map[string]bool{}
	for _, tool := range e.Tools() {
		found[tool.Name] = tool.Path != ""
	}
	for _, c := range []struct {
		file  string
		tools []string // any one of them will do; none means Go reads it
		want  string
	}{
		{"doc.docx", nil, "acme ltd"},
		{"doc.odt", nil, "acme ltd"},
		{"sheet.ods", nil, "acme ltd"},
		{"sheet.xlsx", nil, "acme ltd"},
		{"slides.pptx", nil, "acme ltd"},
		{"book.epub", nil, "acme ltd"},
		{"doc.pdf", []string{"pdftotext"}, "acme ltd"},
		{"doc.doc", []string{"antiword", "catdoc"}, "acme ltd"},
		{"sheet.xls", []string{"xls2csv"}, "acme ltd"},
	} {
		t.Run(c.file, func(t *testing.T) {
			if len(c.tools) > 0 {
				ok := false
				for _, tool := range c.tools {
					ok = ok || found[tool]
				}
				if !ok {
					t.Skipf("none of %v installed", c.tools)
				}
			}
			got, err := text(t, e, filepath.Join("testdata", "real", c.file), 0)
			if err != nil {
				t.Fatal(err)
			}
			if !strings.Contains(got, c.want) {
				t.Errorf("text of %s lacks %q:\n%q", c.file, c.want, got)
			}
		})
	}
}