package console

import (
	"bytes"
	"strings"
	"testing"
)

func TestOverviewRendersMixedAndPartialObservedVersions(t *testing.T) {
	deployment := DeploymentStatus{
		RouteCount: 3, ReportableCount: 3, ReportedCount: 2, UnknownCount: 1,
		Versions: []DeploymentVersion{{Version: "v1", Count: 1}, {Version: "v2", Count: 1}},
	}
	p := page{
		Detail:     &AppView{},
		Account:    &Account{},
		StatusCopy: approvedStatusCopy,
		Overview:   OverviewStats{Deployment: deployment, Verdict: "unknown", VerdictLabel: "Can't tell right now"},
	}
	var out bytes.Buffer
	if err := templates.ExecuteTemplate(&out, "app_overview", p); err != nil {
		t.Fatal(err)
	}
	body := out.String()
	for _, want := range []string{
		"Observed versions", "2 of 3 instances report a version.",
		"<code>v1</code>", "<code>v2</code>", "Some instances have not reported a version.",
	} {
		if !strings.Contains(body, want) {
			t.Errorf("missing %q", want)
		}
	}
}

func TestReleasesRendersApprovedCandidateText(t *testing.T) {
	p := page{
		Detail:         &AppView{},
		Account:        &Account{},
		StatusCopy:     approvedStatusCopy,
		ReleaseSummary: ReleaseSummary{NextVersion: "v9"},
	}
	var out bytes.Buffer
	if err := templates.ExecuteTemplate(&out, "app_releases", p); err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(out.String(), "Candidate for promotion: v9.") {
		t.Fatal("release summary did not render the approved candidate text")
	}
}

func TestStaticOnlyPagesDoNotClaimAMissingVersionReport(t *testing.T) {
	deployment := DeploymentStatus{RouteCount: 1}
	p := page{
		Detail:         &AppView{},
		Account:        &Account{},
		StatusCopy:     approvedStatusCopy,
		Overview:       OverviewStats{Deployment: deployment, Verdict: "ok", VerdictLabel: "All good"},
		ReleaseSummary: ReleaseSummary{Deployment: deployment},
	}
	for _, name := range []string{"app_overview", "app_releases"} {
		var out bytes.Buffer
		if err := templates.ExecuteTemplate(&out, name, p); err != nil {
			t.Fatal(err)
		}
		body := out.String()
		if !strings.Contains(body, "<p>—</p>") || strings.Contains(body, approvedStatusCopy.NoInstances) || strings.Contains(body, approvedStatusCopy.NoVersion) {
			t.Errorf("%s rendered the wrong non-reportable state", name)
		}
	}
}