using Microsoft.AspNetCore.Mvc;
using GrossesMitainesAPI.Models;
using System.Linq;
using GrossesMitainesAPI.Data;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Cors;

namespace GrossesMitainesAPI.Controllers;

[EnableCors("_myAllowSpecificOrigins")]
[ApiController, Route("api/[controller]")]
public class SearchController : Controller {
    private readonly ILogger<SearchController> _logger;
    private readonly InventoryContext _context;

    public SearchController(ILogger<SearchController> logger, InventoryContext context) {
        _logger = logger;
        _context = context;
    }

    [EnableCors("_myAllowSpecificOrigins")]
    [HttpPost(Name = "Search")]
    public IEnumerable<Product> Post(string query, bool? preview) {
        const int PREVIEW = 3;
        List<Product> products = new();

        query = query.Trim();

        try { // Pour faire une liste priorisée.
            if (preview.HasValue && preview == true)
                products = _context.Products.Where(x => x.Title.Contains(query)).Take(PREVIEW).ToList();
            else {
                products = _context.Products.Where(x => x.Title.Contains(query)).ToList();
                
                foreach (Product prod in _context.Products.Where(x => x.Category.Contains(query)).ToList()) { 
                    if (!products.Contains(prod))
                        products.Add(prod);
                }
                foreach (Product prod in _context.Products.Where(x => x.Description.Contains(query)).ToList()) {
                    if (!products.Contains(prod))
                        products.Add(prod);
                }
            }
        } catch (Exception e) {
            _logger.LogError(8, e.Message);
        }
        return products;
    }
}