// Add this to your handlers package (create volunteer_posts.go or add to existing file)

package handlers

import (
	"fmt"
	"net/http"
	"strconv"
	"time"

	"github.com/patel-mann/poll-system/app/internal/models"
	"github.com/patel-mann/poll-system/app/internal/utils"
)

// VolunteerPostsHandler - Read-only posts view for volunteers
func VolunteerPostsHandler(w http.ResponseWriter, r *http.Request) {
	// Only allow GET requests for volunteers
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// Get user info from context
	role := r.Context().Value("user_role").(int)
	CurrentUserID := models.GetCurrentUserID(w, r)
	username,_ := models.GetCurrentUserName(r)

	// Fetch posts from database
	rows, err := models.DB.Query(`
		SELECT p.post_id, p.author_id, u.first_name || ' ' || u.last_name AS author_name,
		       p.content, COALESCE(p.image_url, '') as image_url, p.created_at
		FROM post p
		JOIN users u ON p.author_id = u.user_id
		JOIN admin_volunteers x ON u.user_id = x.admin_id
		WHERE x.volunteer_id = $1
		ORDER BY p.created_at DESC
	`,CurrentUserID)
	if err != nil {
		fmt.Printf("Database query error: %v\n", err)
		http.Error(w, "Failed to fetch posts", http.StatusInternalServerError)
		return
	}
	defer rows.Close()

	var posts []models.Post
	for rows.Next() {
		var p models.Post
		err := rows.Scan(&p.PostID, &p.AuthorID, &p.AuthorName, &p.Content, &p.ImageURL, &p.CreatedAt)
		if err != nil {
			fmt.Printf("Row scan error: %v\n", err)
			continue
		}
		posts = append(posts, p)
	}

	// Add cache busting parameter to image URLs
	for i := range posts {
		if posts[i].ImageURL != "" {
			posts[i].ImageURL += "?t=" + strconv.FormatInt(time.Now().UnixNano(), 10)
		}
	}

	// Get navigation flags
	showAdminNav, showVolunteerNav := getNavFlags(role)

	fmt.Printf("Volunteer viewing %d posts\n", len(posts))
	
	utils.Render(w, "dashboard/volunteer_dashboard.html", map[string]interface{}{
		"Title":             "Community Posts",
		"IsAuthenticated":   true,
		"ShowAdminNav":      showAdminNav,
		"ShowVolunteerNav":  showVolunteerNav,
		"UserName": 	username,
		"Posts":             posts,
		"ActiveSection":     "posts",
		"IsVolunteer":       true, // Flag to indicate this is volunteer view
	})
}