package tui

import (
	"errors"
	"testing"

	"gitgud.io/mike/mpv-manager/pkg/installer"
)

func TestReleaseLoaderRefreshesInstallerFromOneManifest(t *testing.T) {
	m := NewModel()
	inst := installer.NewInstaller(installer.ReleaseInfo{}, "/tmp/mpv")
	m.SetInstaller(inst, nil)
	calls := 0
	m.SetReleaseInfoLoader(func() (*installer.ReleaseInfo, error) {
		calls++
		return &installer.ReleaseInfo{Version: "9.9.9", MpvVersion: "0.42.0"}, nil
	})

	msg := loadReleaseInfoCmd(m.releaseInfoLoader)()
	updated, _ := m.Update(msg)
	m = updated.(*Model)

	if calls != 1 {
		t.Fatalf("loader calls = %d, want 1", calls)
	}
	if m.releaseInfoLoading || m.releaseInfoStatus != "" {
		t.Fatalf("successful refresh left loading/status state: loading=%v status=%q", m.releaseInfoLoading, m.releaseInfoStatus)
	}
	if inst.ReleaseInfo.MpvVersion != "0.42.0" {
		t.Fatalf("installer manifest was not refreshed: %+v", inst.ReleaseInfo)
	}
	if m.versionCheckResult == nil {
		t.Fatal("single manifest did not also produce manager update state")
	}
}

func TestReleaseLoaderFailureLeavesExplicitOfflineState(t *testing.T) {
	m := NewModel()
	m.SetInstaller(installer.NewInstaller(installer.ReleaseInfo{}, "/tmp/mpv"), nil)
	m.SetReleaseInfoLoader(func() (*installer.ReleaseInfo, error) {
		return nil, errors.New("network unavailable")
	})

	updated, _ := m.Update(loadReleaseInfoCmd(m.releaseInfoLoader)())
	m = updated.(*Model)
	if m.releaseInfoLoading || m.releaseInfoStatus == "" {
		t.Fatalf("failed refresh did not enter explicit offline state: loading=%v status=%q", m.releaseInfoLoading, m.releaseInfoStatus)
	}
	if m.versionCheckResult == nil || m.versionCheckResult.Error == nil {
		t.Fatal("failed refresh did not populate update error state")
	}
}