package main

// App 层的测试：验证「清除已完成」之后，推送历史还在（灰标不消失）

import (
	"path/filepath"
	"testing"

	"eh-downloader-wails/internal/core"
	"eh-downloader-wails/internal/eh"
)

func TestAppClearFinishedKeepsPushedHistory(t *testing.T) {
	dir := t.TempDir()
	a := NewApp() // NewApp 会初始化 logMu，否则 emitLog 会卡在 nil channel 上
	a.store = core.NewStore(filepath.Join(dir, "state.json"))
	a.pushed = core.NewPushedStore(filepath.Join(dir, "pushed.json"))

	// 油猴推送了一个画廊
	a.store.AddTasks([]eh.GalleryRef{{GID: "111", Token: "aaa", Raw: "u", Title: "T1"}})
	a.pushed.Mark("111", "aaa", "T1")

	// 下载完成
	task := a.store.FindTask("111", "aaa")
	if task == nil {
		t.Fatal("任务没了")
	}
	task.Status = "done"
	a.store.UpsertTask(*task)

	if a.store.CountDone() != 1 {
		t.Fatalf("应有 1 个已完成，实际 %d", a.store.CountDone())
	}

	// 点「清除已完成」
	res := a.ClearFinished()
	if removed, _ := res["removed"].(int); removed != 1 {
		t.Fatalf("应清掉 1 个，实际 %v", res["removed"])
	}

	// 任务没了
	if a.store.CountDone() != 0 {
		t.Error("任务应已清空")
	}
	if len(a.store.Tasks()) != 0 {
		t.Errorf("任务列表应为空，实际 %d 个", len(a.store.Tasks()))
	}

	// 但推送历史还在 —— 灰标不会消失
	if a.pushed.Count() != 1 {
		t.Fatalf("推送历史应还剩 1 条，实际 %d", a.pushed.Count())
	}
	entries := a.pushed.Entries()
	if entries[0].GID != "111" {
		t.Errorf("gid 不对: %s", entries[0].GID)
	}
	// 而且被标成了「已完成」
	if !entries[0].Completed {
		t.Errorf("应标记 completed=true: %+v", entries[0])
	}
}

func TestAppPushedHistoryAndClear(t *testing.T) {
	dir := t.TempDir()
	a := NewApp()
	a.store = core.NewStore(filepath.Join(dir, "state.json"))
	a.pushed = core.NewPushedStore(filepath.Join(dir, "pushed.json"))

	a.pushed.Mark("111", "aaa", "T1")
	a.pushed.Mark("222", "bbb", "T2")

	h := a.PushedHistory()
	if h.Count != 2 || len(h.Items) != 2 {
		t.Fatalf("应返回 2 条，实际 count=%d len=%d", h.Count, len(h.Items))
	}

	a.ClearPushedHistory()
	if a.pushed.Count() != 0 {
		t.Fatalf("清空后应为 0，实际 %d", a.pushed.Count())
	}
}