package app

import (
	"crowsnest/internal/model"
	"html/template"
	"net/http"
)

// Enpoint that returns a list of articles given search terms in the post
// request of a search form. Uses the content template.
func (app *App) UpSearch(w http.ResponseWriter, req *http.Request) {
	// construct search query
	searchTerms := req.FormValue("search")
	if searchTerms == "" {
		app.Index(w, req)
		return
	}

	// get articles
	articles, err := app.articles.Search(searchTerms)
	if err != nil {
		// treat as no result
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	// convert to viewmodel
	articleVMs := make([]*model.ArticleViewModel, 0, len(articles))
	for _, a := range articles {
		articleVMs = append(articleVMs, a.ViewModel())
	}

	// render template
	t := template.Must(template.ParseFiles(
		"assets/templates/article.html",
		"assets/templates/layout.html",
		"assets/templates/components/pagination.html"))

	data := map[string]interface{}{
		"SelectedNavItemArticle": true,
		"ArticleVMs":             &articleVMs,
		"Paginations":            nil,
	}
	err = t.ExecuteTemplate(w, "base", data)
	if err != nil {
		http.Error(w, "Failed to render template", http.StatusInternalServerError)
		return
	}
}