const express = require("express");
const { query } = require("../config/database");
const logger = require("../config/logger");
const { asyncHandler } = require("../middleware/errorHandler");
const {
  sendSuccess,
  sendError,
  sendNotFound,
} = require("../utils/responseHelpers");
const router = express.Router();

const handleDatabaseError = (res, error, context) => {
  logger.error(`${context} error:`, error);
  sendError(res);
};

// Get all products
router.get(
  "/products",
  asyncHandler(async (req, res) => {
    const result = await query(
      `SELECT id, name, description, shortdescription, price, imageurl, images, 
     category, color, stockquantity, isactive, createdat 
     FROM products WHERE isactive = true ORDER BY createdat DESC`
    );
    sendSuccess(res, { products: result.rows });
  })
);

// Get featured products
router.get(
  "/products/featured",
  asyncHandler(async (req, res) => {
    const limit = parseInt(req.query.limit) || 4;
    const result = await query(
      `SELECT id, name, description, price, imageurl, images 
     FROM products WHERE isactive = true ORDER BY createdat DESC LIMIT $1`,
      [limit]
    );
    sendSuccess(res, { products: result.rows });
  })
);

// Get single product
router.get(
  "/products/:id",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT * FROM products WHERE id = $1 AND isactive = true",
      [req.params.id]
    );

    if (result.rows.length === 0) {
      return sendNotFound(res, "Product");
    }

    sendSuccess(res, { product: result.rows[0] });
  })
);

// Get site settings
router.get(
  "/settings",
  asyncHandler(async (req, res) => {
    const result = await query("SELECT * FROM sitesettings LIMIT 1");
    sendSuccess(res, { settings: result.rows[0] || {} });
  })
);

// Get homepage sections
router.get(
  "/homepage/sections",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT * FROM homepagesections ORDER BY displayorder ASC"
    );
    sendSuccess(res, { sections: result.rows });
  })
);

// Get portfolio projects
router.get(
  "/portfolio/projects",
  asyncHandler(async (req, res) => {
    const result = await query(
      `SELECT id, title, description, featuredimage, images, category, 
     categoryid, isactive, createdat 
     FROM portfolioprojects WHERE isactive = true 
     ORDER BY displayorder ASC, createdat DESC`
    );
    sendSuccess(res, { projects: result.rows });
  })
);

// Get blog posts
router.get(
  "/blog/posts",
  asyncHandler(async (req, res) => {
    const result = await query(
      `SELECT id, title, slug, excerpt, content, imageurl, ispublished, createdat 
     FROM blogposts WHERE ispublished = true ORDER BY createdat DESC`
    );
    sendSuccess(res, { posts: result.rows });
  })
);

// Get single blog post by slug
router.get(
  "/blog/posts/:slug",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT * FROM blogposts WHERE slug = $1 AND ispublished = true",
      [req.params.slug]
    );

    if (result.rows.length === 0) {
      return sendNotFound(res, "Blog post");
    }

    sendSuccess(res, { post: result.rows[0] });
  })
);

// Get custom pages
router.get(
  "/pages",
  asyncHandler(async (req, res) => {
    const result = await query(
      `SELECT id, title, slug, content, metatitle, metadescription, isactive, createdat 
     FROM pages WHERE isactive = true ORDER BY createdat DESC`
    );
    sendSuccess(res, { pages: result.rows });
  })
);

// Get single page by slug
router.get(
  "/pages/:slug",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT * FROM pages WHERE slug = $1 AND isactive = true",
      [req.params.slug]
    );

    if (result.rows.length === 0) {
      return sendNotFound(res, "Page");
    }

    sendSuccess(res, { page: result.rows[0] });
  })
);

// Get menu items for frontend navigation
router.get(
  "/menu",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT settings FROM site_settings WHERE key = 'menu'"
    );
    const items =
      result.rows.length > 0 ? result.rows[0].settings.items || [] : [];
    const visibleItems = items.filter((item) => item.visible !== false);
    sendSuccess(res, { items: visibleItems });
  })
);

// Get homepage settings for frontend
router.get(
  "/homepage/settings",
  asyncHandler(async (req, res) => {
    const result = await query(
      "SELECT settings FROM site_settings WHERE key = 'homepage'"
    );
    const settings = result.rows.length > 0 ? result.rows[0].settings : {};
    sendSuccess(res, { settings });
  })
);

module.exports = router;