package check

import (
	"slices"
	"strings"
	"testing"

	"git.novox.be/novox/mesh-sdk/go/delivery"
)

func TestAChangeWhoseFetchReportsProgramsFailsNamingEachFile(t *testing.T) { // 1577
	prog := func(p ...string) *[]ProgramFile {
		out := []ProgramFile{}
		for _, f := range p {
			path, commit, _ := strings.Cut(f, "@") // `path@commit`: added by a commit of the branch and removed later
			out = append(out, ProgramFile{Path: path, Kind: "ELF", Commit: commit})
		}
		return &out
	}
	for _, c := range []struct {
		name     string
		programs *[]ProgramFile
		fail     []string // paths named; none passes
		warned   bool     // the build module reported no programs field
	}{
		{"none found", prog(), nil, false},
		{"one program", prog("modules/m/m"), []string{"modules/m/m"}, false},
		{"two programs", prog("a/x", "b/y"), []string{"a/x", "b/y"}, false},
		{"added and removed in the branch", prog("gone/prog@0123456789abcdef0123"), []string{"gone/prog: a compiled program added in 0123456789ab and removed later: it stays in history; squash the branch (issue 1577)"}, false},
		{"an older build module reports nothing", nil, nil, true},
	} {
		b := newBench(t)
		b.fetch.Merge, b.fetch.Programs = "mmmm", c.programs
		cs := caseOf(t, pullOf(repoA, 7, head1))
		v := b.judge(t, cs).Verdict
		if got := slices.ContainsFunc(cs.Notes(), func(n string) bool { return strings.Contains(n, NoProgramsReported) }); got != c.warned {
			t.Errorf("%s: warned = %v, want %v (%v)", c.name, got, c.warned, cs.Notes())
		}
		line := Line(v, cs, cs.Pulls[0], nil, nil, nil)
		if got := strings.Contains(line, "a compiled program is not refused: mesh-build-go reported no programs"); got != c.warned {
			t.Errorf("%s: the status line holds the warning = %v, want %v: %s", c.name, got, c.warned, line)
		}
		if len(c.fail) == 0 {
			if v.State != delivery.VerdictPass {
				t.Errorf("%s: verdict = %+v", c.name, v)
			}
			continue
		}
		if v.State != delivery.VerdictFail {
			t.Errorf("%s: verdict = %+v, want a failure", c.name, v)
			continue
		}
		for _, p := range c.fail {
			want := p
			if !strings.Contains(p, " added in ") {
				want = p + ": a compiled program is build output: remove it and add it to .gitignore (issue 1577)"
			}
			if !strings.Contains(v.Failed.Words, want) {
				t.Errorf("%s: words %q do not name %s", c.name, v.Failed.Words, p)
			}
		}
	}
}