package release

import (
	"fmt"
	"os"
	"path/filepath"
	"testing"
	"time"
)

func TestHealthyRecordAndRead(t *testing.T) {
	bake := t.TempDir()
	at := time.Date(2026, 10, 6, 9, 0, 0, 0, time.UTC)
	b := HealthyBuild{SHA256: testSHA, Version: "f4478b15", How: "settle", At: at}
	if IsHealthy(bake, "bab", "console", testSHA) {
		t.Fatal("healthy before anything was recorded")
	}
	if err := RecordHealthy(bake, "bab", "console", b); err != nil {
		t.Fatal(err)
	}
	b.How, b.At = "live", at.Add(time.Hour)
	if err := RecordHealthy(bake, "bab", "console", b); err != nil {
		t.Fatal(err)
	}
	got := ReadHealthy(bake, "bab", "console")
	if len(got) != 1 || got[0].How != "settle" || !got[0].At.Equal(at) {
		t.Fatalf("history = %+v, want one entry, the first record kept", got)
	}
	if !IsHealthy(bake, "bab", "console", testSHA) || IsHealthy(bake, "bab", "other", testSHA) || IsHealthy(bake, "bab", "console", "") {
		t.Fatal("IsHealthy answers for the wrong app or an empty sha256")
	}
}

func TestHealthyKeepsTheNewestFifty(t *testing.T) {
	bake := t.TempDir()
	for i := 0; i < 55; i++ {
		if err := RecordHealthy(bake, "bab", "console", HealthyBuild{SHA256: fmt.Sprintf("%064x", i), How: "live"}); err != nil {
			t.Fatal(err)
		}
	}
	got := ReadHealthy(bake, "bab", "console")
	if len(got) != 50 || got[0].SHA256 != fmt.Sprintf("%064x", 54) || IsHealthy(bake, "bab", "console", fmt.Sprintf("%064x", 0)) {
		t.Fatalf("len = %d, first = %s; want the newest fifty", len(got), got[0].SHA256)
	}
}

func TestHealthyCorruptReadsEmpty(t *testing.T) {
	bake := t.TempDir()
	p := filepath.Join(bake, "healthy", "bab", "console.json")
	if err := os.MkdirAll(filepath.Dir(p), 0o755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(p, []byte(`{"schema":1,"builds":[`), 0o644); err != nil {
		t.Fatal(err)
	}
	if got := ReadHealthy(bake, "bab", "console"); got != nil {
		t.Fatalf("corrupt history = %+v, want nil", got)
	}
	if err := RecordHealthy(bake, "bab", "console", HealthyBuild{SHA256: "nope"}); err == nil {
		t.Fatal("a non-hex sha256 was recorded")
	}
}