package main

import (
	"testing"

	"mxl-player/internal/playback"
)

func TestDesiredVideoFeed(t *testing.T) {
	video := playback.FeedConfig{Domain: "/video", UUID: "video", Active: true}
	tests := []struct {
		name      string
		available bool
		plan      playback.SessionPlan
		want      playback.FeedConfig
	}{
		{name: "snapshot unavailable"},
		{name: "idle", available: true, plan: playback.SessionPlan{Topology: playback.TopologyIdle}},
		{name: "audio only", available: true, plan: playback.SessionPlan{Topology: playback.TopologyIndependent}},
		{name: "independent video", available: true, plan: playback.SessionPlan{Topology: playback.TopologyIndependent, Video: video}, want: video},
		{name: "synchronized video", available: true, plan: playback.SessionPlan{Topology: playback.TopologySynchronized, Sync: playback.SyncPairConfig{Video: video, Audio: playback.FeedConfig{Active: true}}}, want: video},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			got := desiredVideoFeed(playback.SessionSnapshot{Plan: test.plan}, test.available)
			if got != test.want {
				t.Fatalf("desiredVideoFeed() = %#v, want %#v", got, test.want)
			}
		})
	}
}

func TestShouldShowVideoRequiresDesiredSource(t *testing.T) {
	desired := playback.FeedConfig{Domain: "/video", UUID: "video", Active: true}
	if !shouldShowVideo(desired, desired) {
		t.Fatal("matching active video was hidden")
	}
	if shouldShowVideo(playback.FeedConfig{}, desired) {
		t.Fatal("video was shown without an active desired feed")
	}
	other := desired
	other.UUID = "other"
	if shouldShowVideo(desired, other) {
		t.Fatal("frame from old source was shown")
	}
}