package forgekey

import (
	"strings"
	"testing"
)

// git's own words survive as the reason: a bare "error:" or "fatal:" line is never the whole reason (the mirror of
// jschoubben/car-hunter "is not used: git -C: error:", 2026-10-26), every line that says something is kept, and the
// words are bounded.
func TestSaidKeepsTheCauseBehindABarePrefix(t *testing.T) {
	forge := "error: \nerror: User: 22:nox-builder with Key: 30:mesh:ace.mesh-build-go is not authorized to read jschoubben/car-hunter.\nerror: \nfatal: Could not read from remote repository.\n\nPlease make sure you have the correct access rights\nand the repository exists.\n"
	for _, c := range []struct{ name, in, want string }{
		{"forge refusal", forge, "error: User: 22:nox-builder with Key: 30:mesh:ace.mesh-build-go is not authorized to read jschoubben/car-hunter.; fatal: Could not read from remote repository.; Please make sure you have the correct access rights; and the repository exists."},
		{"one line", "fatal: couldn't find remote ref x\n", "fatal: couldn't find remote ref x"},
		{"bare prefixes only", "error:\nremote:\n", ""},
		{"a colon inside stays", " ENOENT \nfatal: bad: thing\n", "ENOENT; fatal: bad: thing"},
		{"empty", "", ""},
	} {
		if got := Said(c.in); got != c.want {
			t.Errorf("%s: Said = %q, want %q", c.name, got, c.want)
		}
	}
	long := Said(strings.Repeat("é", SaidBound))
	if !strings.HasSuffix(long, " …") || len(long) > SaidBound+len(" …") || !strings.HasPrefix(long, "é") {
		t.Errorf("long: %d bytes, ends %q", len(long), long[len(long)-6:])
	}
}