package docDB

import (
	"os"
	"strings"
	"testing"

	"apigo.cc/go/log"
)

func TestDocDB(t *testing.T) {
	logger := log.DefaultLogger
	dbFile := "test_doc.db"
	os.Remove(dbFile)
	defer os.Remove(dbFile)
	os.RemoveAll("./test_docs")
	defer os.RemoveAll("./test_docs")

	// 使用新的 GetDB 入口 (支持 redis 参数)
	docDBInst := GetDB("sqlite://"+dbFile, logger, "", "./test_docs")
	app := docDBInst.Auth("user1")

	var createdCalled, updatedCalled, removedCalled, movedCalled bool
	docDBInst.Hooks.OnCreatedDoc = func(doc *Document) { createdCalled = true }
	docDBInst.Hooks.OnUpdatedDoc = func(doc *Document) { updatedCalled = true }
	docDBInst.Hooks.OnRemoved = func(path string) { removedCalled = true }
	docDBInst.Hooks.OnMoved = func(oldPath, newPath string) { movedCalled = true }

	// 1. 测试 SetDoc (创建)
	docPath := "/test/doc1.md"
	doc1 := &Document{
		Path:        docPath,
		Title:       "Test Doc",
		TextContent: "# Header 1\nContent 1",
		Type:        "markdown",
	}

	err := app.SetDoc(doc1)
	if err != nil {
		t.Fatalf("SetDoc failed: %v", err)
	}

	if doc1.Version != 1 {
		t.Fatalf("Expected version 1, got %d", doc1.Version)
	}
	if !createdCalled {
		t.Error("OnCreatedDoc event not triggered")
	}

	// 2. 测试 Get
	d, err := app.Get(docPath)
	if err != nil || d == nil {
		t.Fatalf("Get failed: %v", err)
	}
	if d.Title != "Test Doc" {
		t.Fatalf("Expected title 'Test Doc', got %s", d.Title)
	}

	// 3. 测试 SetDoc (更新内容)
	doc1.TextContent = "# Header 1\nUpdated Content"
	err = app.SetDoc(doc1)
	if err != nil {
		t.Fatalf("Update SetDoc failed: %v", err)
	}
	if doc1.Version != 2 {
		t.Fatalf("Expected version 2, got %d", doc1.Version)
	}
	if !updatedCalled {
		t.Error("OnUpdatedDoc event not triggered")
	}

	// 4. 测试 GetByVersion
	hist, err := app.GetByVersion(docPath, 1)
	if err != nil || hist == nil {
		t.Fatalf("GetByVersion(1) failed: %v", err)
	}
	if !strings.Contains(hist.TextContent, "Content 1") {
		t.Fatalf("Expected 'Content 1' in history, got %s", hist.TextContent)
	}

	// 5. 测试 Move (重命名)
	newPath := "/test/renamed.md"
	err = app.Move(docPath, newPath)
	if err != nil {
		t.Fatalf("Move failed: %v", err)
	}
	if !movedCalled {
		t.Error("OnMoved event not triggered")
	}

	// 检查旧路径失效，新路径生效
	oldDoc, _ := app.Get(docPath)
	if oldDoc != nil {
		t.Error("Old path should be gone")
	}
	newDoc, err := app.Get(newPath)
	if err != nil || newDoc == nil {
		t.Fatalf("New path should work: %v", err)
	}
	if newDoc.Title != "Test Doc" {
		t.Error("Title should remain same after move")
	}

	// 6. 测试 Remove
	err = app.Remove(newPath)
	if err != nil {
		t.Fatalf("Remove failed: %v", err)
	}
	if !removedCalled {
		t.Error("OnRemoved event not triggered")
	}

	removedDoc, _ := app.Get(newPath)
	if removedDoc != nil {
		t.Error("Document should be removed")
	}

	// 7. 测试删除后依然能获取历史
	lastHist, err := app.GetByVersion(newPath, 2)
	if err != nil || lastHist == nil {
		t.Fatalf("Should get history after removal: %v", err)
	}
	if lastHist.Version != 2 {
		t.Fatalf("Expected version 2, got %d", lastHist.Version)
	}
}

func BenchmarkExtractToC(b *testing.B) {
	content := "# H1\n## H1.1\n### H1.1.1\n" + strings.Repeat("Some content\n", 100) + "# H2\n## H2.1\n"
	for i := 0; i < b.N; i++ {
		_ = ExtractToC(content)
	}
}