package gio

import (
	"errors"
	"testing"

	"softbox.local/core/application"
)

func TestCatalogEventsUpdateSnapshotAndRetainItOnFailure(t *testing.T) {
	shell := NewAppShell("Legacy")
	items := []application.CatalogListItem{{ID: "json-tool", Name: "JSON Tool", Version: "1.0.0", Category: "工具"}}
	if err := shell.ApplyEvent(application.Event{
		Type:    application.EventCatalogRefreshed,
		Payload: application.CatalogEvent{Type: application.EventCatalogRefreshed, Source: application.CatalogSourceCache, Items: items},
	}); err != nil {
		t.Fatalf("ApplyEvent(refresh) error = %v", err)
	}
	if shell.model.TotalCount() != 1 || shell.catalogState != catalogStateReady {
		t.Fatalf("snapshot count/state = %d/%q", shell.model.TotalCount(), shell.catalogState)
	}
	if err := shell.ApplyEvent(application.Event{
		Type:    application.EventCatalogRejected,
		Payload: application.CatalogEvent{Type: application.EventCatalogRejected, FailureCode: application.CatalogFailureLoadFailed},
	}); err != nil {
		t.Fatalf("ApplyEvent(reject) error = %v", err)
	}
	if shell.model.TotalCount() != 1 || shell.catalogState != catalogStateLoadFailed {
		t.Fatalf("failure cleared snapshot or state = %d/%q", shell.model.TotalCount(), shell.catalogState)
	}
}

func TestCatalogEventsExposeStableEmptyStatesAndRejectBadPayload(t *testing.T) {
	shell := NewAppShell("Legacy")
	if shell.catalogState != catalogStateLoading {
		t.Fatalf("initial state = %q, want loading", shell.catalogState)
	}
	if err := shell.ApplyEvent(application.Event{
		Type:    application.EventCatalogRejected,
		Payload: application.CatalogEvent{Type: application.EventCatalogRejected, FailureCode: application.CatalogFailureSourceUnconfigured},
	}); err != nil {
		t.Fatalf("ApplyEvent(unconfigured) error = %v", err)
	}
	if shell.catalogState != catalogStateUnconfigured || shell.catalogStatusText() != "目录状态：Catalog 来源尚未配置" {
		t.Fatalf("unconfigured state/status = %q/%q", shell.catalogState, shell.catalogStatusText())
	}
	if nodes := adapterContractLayout(shell, adapterContractViewport); !adapterContractHasSemantic(nodes, "Catalog 来源尚未配置") {
		t.Fatal("unconfigured state was not visible")
	}
	if err := shell.ApplyEvent(application.Event{
		Type:    application.EventCatalogRejected,
		Payload: application.CatalogEvent{Type: application.EventCatalogRejected, FailureCode: application.CatalogFailureLoadFailed},
	}); err != nil {
		t.Fatalf("ApplyEvent(load failed) error = %v", err)
	}
	if nodes := adapterContractLayout(shell, adapterContractViewport); !adapterContractHasSemantic(nodes, "Catalog 加载失败") {
		t.Fatal("load-failed state was not visible")
	}
	if err := shell.ApplyEvent(application.Event{
		Type:    application.EventCatalogRefreshed,
		Payload: application.CatalogEvent{Type: application.EventCatalogRefreshed, Source: application.CatalogSourceRemote},
	}); err != nil {
		t.Fatalf("ApplyEvent(empty refreshed) error = %v", err)
	}
	if nodes := adapterContractLayout(shell, adapterContractViewport); !adapterContractHasSemantic(nodes, "Catalog 暂无可显示软件") {
		t.Fatal("loaded-empty state was not visible")
	}
	err := shell.ApplyEvent(application.Event{Type: application.EventCatalogRefreshed, Payload: "raw error"})
	if !errors.Is(err, application.ErrCatalogEventPayload) {
		t.Fatalf("bad payload error = %v", err)
	}
}