package mujica

import (
	"testing"

	"github.com/egoist/mygo/ui"
)

func TestStatCardValueChangeTrend(t *testing.T) {
	opts := StatCardOptions{Label: "Requests", Change: 0.124, HasChange: true, Trend: []float64{3, 5, 4, 8, 9}}
	tt := ui.NewTester(func(c *ui.Context) {
		Use(c, Settings{})
		StatCard(c, "12,480", opts)
	}, 400, 200)
	for _, s := range []string{"Requests", "12,480", "+12.4%"} {
		if !tt.HasText(s) {
			t.Fatalf("missing %q in %q", s, tt.Texts())
		}
	}
	opts.Change = -0.05
	tt.Frame()
	if !tt.HasText("-5.0%") {
		t.Fatalf("fall: %q", tt.Texts())
	}
	opts.HasChange = false
	tt.Frame()
	if tt.HasText("-5.0%") {
		t.Fatal("change shown without HasChange")
	}
}

func TestStatCardLoadingErrorSameSize(t *testing.T) {
	status, retries := DataReady, 0
	var h []float32
	tt := ui.NewTester(func(c *ui.Context) {
		Use(c, Settings{})
		ui.Column(c).AlignItems(ui.Start).Children(func() {
			r := StatCard(c, "42 ms", StatCardOptions{Label: "Latency", Status: status, Error: "timeout"})
			h = append(h, r.Element.Bounds().H)
			if r.Retry {
				retries++
			}
		})
	}, 400, 300)
	tt.Frame()
	ready := h[len(h)-1]
	status = DataLoading
	tt.Frame()
	tt.Frame()
	if !tt.HasText("Loading") || h[len(h)-1] != ready {
		t.Fatalf("loading: %q height %v vs %v", tt.Texts(), h[len(h)-1], ready)
	}
	status = DataFailed
	tt.Frame()
	tt.Frame()
	if !tt.HasText("timeout") || h[len(h)-1] != ready {
		t.Fatalf("failed: %q height %v vs %v", tt.Texts(), h[len(h)-1], ready)
	}
	_ = tt.Click("Retry")
	if retries != 1 {
		t.Fatalf("retries %d", retries)
	}
}

func TestStatCardSnapshot(t *testing.T) {
	snapshot(t, "stat_card", 640, 150, func(c *ui.Context) {
		ui.Row(c).Padding(16).Gap(12).Children(func() {
			StatCard(c, "12,480", StatCardOptions{Label: "Requests", Change: 0.124, HasChange: true, Trend: []float64{3, 5, 4, 8, 6, 9}})
			StatCard(c, "182 ms", StatCardOptions{Label: "p95 latency", Change: 0.08, HasChange: true, LowerIsBetter: true, Trend: []float64{120, 140, 130, 182}})
			StatCard(c, "", StatCardOptions{Label: "Errors", Status: DataFailed, Error: "Source unreachable"})
		})
	})
}