package workflow

import (
	"path/filepath"
	"testing"
)

func TestCommentHygiene_CleanTree(t *testing.T) {
	cfg := newCfg(t)
	writeRepoFile(t, cfg.RepoRoot, "main.go", "package main\nfunc main(){}\n")
	writeRepoFile(t, cfg.RepoRoot, "docs/readme.md", "a normal document\n")
	res, err := commentHygiene{}.Run(Env{Config: cfg})
	if err != nil {
		t.Fatal(err)
	}
	if res.Code != CodeClean {
		t.Fatalf("clean tree -> %d (%s) %+v", res.Code, res.Summary, res.Findings)
	}
}

func TestCommentHygiene_FlagsFingerprint(t *testing.T) {
	cfg := newCfg(t)
	trailer := fragCoAB + ": Someone <s@example.com>"
	writeRepoFile(t, cfg.RepoRoot, "src/util.go", "package src\n// "+"\n"+trailer+"\n")
	res, err := commentHygiene{}.Run(Env{Config: cfg})
	if err != nil {
		t.Fatal(err)
	}
	if res.Code != CodeFinding {
		t.Fatalf("planted fingerprint -> %d, want %d", res.Code, CodeFinding)
	}
	if len(res.Findings) != 1 || res.Findings[0].Path != "src/util.go" {
		t.Fatalf("findings = %+v", res.Findings)
	}
}

func TestCommentHygiene_SkipsWorkspace(t *testing.T) {
	cfg := newCfg(t)
	// A fingerprint inside the gitignored workspace must not gate the
	// tracked tree (engine output is not shippable).
	trailer := fragCoAB + ": Eng <e@x>"
	writeRepoFile(t, cfg.RepoRoot, filepath.Join(".eeco", "state", "note.md"), trailer+"\n")
	res, err := commentHygiene{}.Run(Env{Config: cfg})
	if err != nil {
		t.Fatal(err)
	}
	if res.Code != CodeClean {
		t.Fatalf("workspace fingerprint leaked into gate: %+v", res.Findings)
	}
}

func TestCommentHygiene_SkipsBinary(t *testing.T) {
	cfg := newCfg(t)
	trailer := fragCoAB + ": Bin <b@x>"
	writeRepoFile(t, cfg.RepoRoot, "blob.bin", "\x00\x00"+trailer)
	res, err := commentHygiene{}.Run(Env{Config: cfg})
	if err != nil {
		t.Fatal(err)
	}
	if res.Code != CodeClean {
		t.Fatalf("binary file scanned: %+v", res.Findings)
	}
}