package main

import (
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func TestStoreProjectAndSnapshot(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "test.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	dir := t.TempDir()
	p, e := s.SaveProject(0, ProjectInput{Name: "demo", Path: dir})
	if e != nil {
		t.Fatal(e)
	}
	if _, e = s.SaveProject(0, ProjectInput{Name: "duplicate", Path: dir}); e == nil {
		t.Fatal("duplicate path accepted")
	}
	e = s.ReplaceScan(p.ID, []LanguageStat{{Name: "Go", Files: 1, Code: 2, Comments: 1, Blanks: 1}}, []FileEntry{{Path: "main.go", Name: "main.go", Extension: ".go", Size: 20}})
	if e != nil {
		t.Fatal(e)
	}
	got, e := s.GetProject(p.ID)
	if e != nil {
		t.Fatal(e)
	}
	if got.Stats.TotalLines != 4 || got.Stats.FileCount != 1 {
		t.Fatalf("unexpected stats: %#v", got.Stats)
	}
}

func TestNormalizePath(t *testing.T) {
	if _, e := normalizePath(filepath.Join(t.TempDir(), "missing")); e == nil {
		t.Fatal("missing directory accepted")
	}
	d := t.TempDir()
	p, e := normalizePath(d)
	if e != nil {
		t.Fatal(e)
	}
	if _, e = os.Stat(p); e != nil {
		t.Fatal(e)
	}
}

func TestDuplicateProjectReturnsStableCode(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "test.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	dir := t.TempDir()
	if _, e = s.SaveProject(0, ProjectInput{Name: "one", Path: dir}); e != nil {
		t.Fatal(e)
	}
	if _, e = s.SaveProject(0, ProjectInput{Name: "two", Path: dir}); e == nil || !strings.HasPrefix(e.Error(), "PROJECT_PATH_DUPLICATE") {
		t.Fatalf("unexpected error: %v", e)
	}
}

func TestProjectGroupsFilterProjectsAndDashboard(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "groups.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	g, e := s.SaveProjectGroup(0, "Backend")
	if e != nil {
		t.Fatal(e)
	}
	dir1 := t.TempDir()
	dir2 := t.TempDir()
	p1, e := s.SaveProject(0, ProjectInput{Name: "api", Path: dir1, GroupID: g.ID})
	if e != nil {
		t.Fatal(e)
	}
	if _, e = s.SaveProject(0, ProjectInput{Name: "web", Path: dir2}); e != nil {
		t.Fatal(e)
	}
	if e = s.ReplaceScan(p1.ID, []LanguageStat{{Name: "Go", Files: 2, Code: 10, Comments: 1, Blanks: 1}}, nil); e != nil {
		t.Fatal(e)
	}
	projects, e := s.ListProjects(g.ID)
	if e != nil {
		t.Fatal(e)
	}
	if len(projects) != 1 || projects[0].GroupID != g.ID || projects[0].GroupName != "Backend" {
		t.Fatalf("unexpected grouped projects: %#v", projects)
	}
	d, e := s.Dashboard(g.ID)
	if e != nil {
		t.Fatal(e)
	}
	if d.Projects != 1 || d.TotalLines != 12 {
		t.Fatalf("unexpected dashboard: %#v", d)
	}
}

func TestDeleteProjectGroupMovesProjectsToDefault(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "groups.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	g, e := s.SaveProjectGroup(0, "Temp")
	if e != nil {
		t.Fatal(e)
	}
	p, e := s.SaveProject(0, ProjectInput{Name: "demo", Path: t.TempDir(), GroupID: g.ID})
	if e != nil {
		t.Fatal(e)
	}
	if e = s.DeleteProjectGroup(g.ID); e != nil {
		t.Fatal(e)
	}
	got, e := s.GetProject(p.ID)
	if e != nil {
		t.Fatal(e)
	}
	if got.GroupID != 1 {
		t.Fatalf("groupId=%d want 1", got.GroupID)
	}
}

func TestSettingsReturnsActiveDatabasePath(t *testing.T) {
	dbPath := filepath.Join(t.TempDir(), "active.db")
	s, e := OpenStore(dbPath)
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	settings, e := s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if settings.DatabasePath != dbPath {
		t.Fatalf("databasePath=%q want %q", settings.DatabasePath, dbPath)
	}
}

func TestGlassOpacityPersistsAndValidates(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "settings.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	if e = s.SaveSettings(AppSettings{Theme: "dark", Locale: "zh-CN", GitScope: "current", AutoRefresh: true, GlassOpacity: 30}); e != nil {
		t.Fatal(e)
	}
	got, e := s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.GlassOpacity != 30 {
		t.Fatalf("glassOpacity=%d", got.GlassOpacity)
	}
	if e = s.SaveSettings(AppSettings{GlassOpacity: 99}); e != nil {
		t.Fatal(e)
	}
	got, e = s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.GlassOpacity != 55 {
		t.Fatalf("invalid opacity did not reset: %d", got.GlassOpacity)
	}
}

func TestLoadingStylePersistsAndValidates(t *testing.T) {
	s, e := OpenStore(filepath.Join(t.TempDir(), "settings.db"))
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	if e = s.SaveSettings(AppSettings{Theme: "dark", Locale: "zh-CN", GitScope: "current", AutoRefresh: true, GlassOpacity: 55, LoadingStyle: "fullscreen-grid"}); e != nil {
		t.Fatal(e)
	}
	got, e := s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.LoadingStyle != "fullscreen-grid" {
		t.Fatalf("loadingStyle=%q", got.LoadingStyle)
	}
	if e = s.SaveSettings(AppSettings{GlassOpacity: 55, LoadingStyle: "floating"}); e != nil {
		t.Fatal(e)
	}
	got, e = s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.LoadingStyle != "fullscreen-orbit" {
		t.Fatalf("invalid loadingStyle did not reset: %q", got.LoadingStyle)
	}
}

func TestLegacyLoadingStyleDefaultMigratesOnce(t *testing.T) {
	db := filepath.Join(t.TempDir(), "settings.db")
	s, e := OpenStore(db)
	if e != nil {
		t.Fatal(e)
	}
	if _, e = s.db.Exec(`UPDATE settings SET value='bar' WHERE key='loadingStyle'`); e != nil {
		t.Fatal(e)
	}
	s.db.Close()
	s, e = OpenStore(db)
	if e != nil {
		t.Fatal(e)
	}
	got, e := s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.LoadingStyle != "fullscreen-orbit" {
		t.Fatalf("legacy loadingStyle=%q", got.LoadingStyle)
	}
	if e = s.SaveSettings(AppSettings{GlassOpacity: 55, LoadingStyle: "bar"}); e != nil {
		t.Fatal(e)
	}
	s.db.Close()
	s, e = OpenStore(db)
	if e != nil {
		t.Fatal(e)
	}
	defer s.db.Close()
	got, e = s.Settings()
	if e != nil {
		t.Fatal(e)
	}
	if got.LoadingStyle != "bar" {
		t.Fatalf("explicit loadingStyle=%q", got.LoadingStyle)
	}
}