refactor: split jikan client into smaller domain files

internal/jikan/search.go

@@ -0,0 +1,59 @@
+package jikan
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// Search returns the anime list with pagination support
+func (c *Client) Search(query string, page int) (SearchResult, error) {
+	if query == "" {
+		return SearchResult{}, nil
+	}
+	if page < 1 {
+		page = 1
+	}
+
+	cacheKey := fmt.Sprintf("search:%s:%d", query, page)
+	if cached, ok := c.cache.Get(cacheKey); ok {
+		return cached, nil
+	}
+
+	var result SearchResponse
+	reqURL := fmt.Sprintf("%s/anime?q=%s&page=%d", c.baseURL, url.QueryEscape(query), page)
+	if err := c.fetchWithRetry(reqURL, &result); err != nil {
+		return SearchResult{}, err
+	}
+
+	res := SearchResult{
+		Animes:      result.Data,
+		HasNextPage: result.Pagination.HasNextPage,
+	}
+
+	c.cache.Add(cacheKey, res)
+	return res, nil
+}
+
+// GetTopAnime fetches the top anime by popularity
+func (c *Client) GetTopAnime(page int) (TopAnimeResult, error) {
+	if page < 1 {
+		page = 1
+	}
+	if cached, ok := c.topCache.Get(page); ok {
+		return cached, nil
+	}
+
+	var result TopAnimeResponse
+	reqURL := fmt.Sprintf("%s/top/anime?filter=bypopularity&page=%d", c.baseURL, page)
+	if err := c.fetchWithRetry(reqURL, &result); err != nil {
+		return TopAnimeResult{}, err
+	}
+
+	res := TopAnimeResult{
+		Animes:      result.Data,
+		HasNextPage: result.Pagination.HasNextPage,
+	}
+
+	c.topCache.Add(page, res)
+	return res, nil
+}