package controller

import (
	"path/filepath"
	"testing"

	"github.com/Hyaxia/blogwatcher/internal/model"
	"github.com/Hyaxia/blogwatcher/internal/storage"
)

func TestAddBlogAndRemoveBlog(t *testing.T) {
	db := openTestDB(t)
	defer db.Close()

	blog, err := AddBlog(db, "Test", "https://example.com", "", "")
	if err != nil {
		t.Fatalf("add blog: %v", err)
	}

	if _, err := AddBlog(db, "Test", "https://other.com", "", ""); err == nil {
		t.Fatalf("expected duplicate name error")
	}

	if _, err := AddBlog(db, "Other", "https://example.com", "", ""); err == nil {
		t.Fatalf("expected duplicate url error")
	}

	if err := RemoveBlog(db, blog.Name); err != nil {
		t.Fatalf("remove blog: %v", err)
	}
}

func TestArticleReadUnread(t *testing.T) {
	db := openTestDB(t)
	defer db.Close()

	blog, err := AddBlog(db, "Test", "https://example.com", "", "")
	if err != nil {
		t.Fatalf("add blog: %v", err)
	}
	article, err := db.AddArticle(model.Article{BlogID: blog.ID, Title: "Title", URL: "https://example.com/1"})
	if err != nil {
		t.Fatalf("add article: %v", err)
	}

	read, err := MarkArticleRead(db, article.ID)
	if err != nil {
		t.Fatalf("mark read: %v", err)
	}
	if read.IsRead {
		t.Fatalf("expected original state unread")
	}

	unread, err := MarkArticleUnread(db, article.ID)
	if err != nil {
		t.Fatalf("mark unread: %v", err)
	}
	if !unread.IsRead {
		t.Fatalf("expected original state read")
	}
}

func TestGetArticlesFilters(t *testing.T) {
	db := openTestDB(t)
	defer db.Close()

	blog, err := AddBlog(db, "Test", "https://example.com", "", "")
	if err != nil {
		t.Fatalf("add blog: %v", err)
	}
	_, err = db.AddArticle(model.Article{BlogID: blog.ID, Title: "Title", URL: "https://example.com/1"})
	if err != nil {
		t.Fatalf("add article: %v", err)
	}

	articles, blogNames, err := GetArticles(db, false, "")
	if err != nil {
		t.Fatalf("get articles: %v", err)
	}
	if len(articles) != 1 {
		t.Fatalf("expected article")
	}
	if blogNames[blog.ID] != blog.Name {
		t.Fatalf("expected blog name")
	}

	if _, _, err := GetArticles(db, false, "Missing"); err == nil {
		t.Fatalf("expected blog not found error")
	}
}

func openTestDB(t *testing.T) *storage.Database {
	t.Helper()
	path := filepath.Join(t.TempDir(), "blogwatcher.db")
	db, err := storage.OpenDatabase(path)
	if err != nil {
		t.Fatalf("open database: %v", err)
	}
	return db
}