using LendWise.Web.Data;
using LendWise.Web.Models;
using LendWise.Web.Services;
using Microsoft.AspNetCore.Mvc;

namespace LendWise.Web.Controllers;

public class HomeController(AppDbContext db, ILogger<HomeController> logger) : Controller
{
    private static readonly string[] Topics = ["General", "Loan enquiry", "Partnership", "Careers", "Grievance"];

    [HttpGet("")]
    public IActionResult Index() => View();

    [HttpGet("about")]
    public IActionResult About() => View();

    [HttpGet("career")]
    public IActionResult Career() => View();

    [HttpGet("partner-with-us")]
    public IActionResult Partner() => View();

    [HttpGet("privacy-policy")]
    public IActionResult Privacy() => View();

    [HttpGet("terms-and-conditions")]
    public IActionResult Terms() => View();

    [HttpGet("disclaimer")]
    public IActionResult Disclaimer() => View();

    [HttpGet("guides")]
    public IActionResult Guides() => View(GuideCatalog.All);

    [HttpGet("guides/{slug}")]
    public IActionResult Guide(string slug)
    {
        var guide = GuideCatalog.Find(slug);
        return guide is null ? NotFound() : View(guide);
    }

    [HttpGet("contact")]
    public IActionResult Contact(string? topic)
    {
        var model = new ContactViewModel
        {
            Topic = Topics.Contains(topic) ? topic! : "General"
        };
        return View(model);
    }

    [HttpPost("contact")]
    [ValidateAntiForgeryToken]
    public async Task<IActionResult> Contact(ContactViewModel model)
    {
        // Bots fill the hidden field; pretend it worked and do nothing.
        if (!string.IsNullOrWhiteSpace(model.Website))
        {
            TempData["Sent"] = true;
            return RedirectToAction(nameof(Contact));
        }

        if (!Topics.Contains(model.Topic))
        {
            ModelState.AddModelError(nameof(model.Topic), "Choose a topic.");
        }

        if (!ModelState.IsValid)
        {
            return View(model);
        }

        try
        {
            db.ContactMessages.Add(new ContactMessage
            {
                Name = model.Name.Trim(),
                Email = model.Email.Trim(),
                Phone = string.IsNullOrWhiteSpace(model.Phone) ? null : model.Phone.Trim(),
                Topic = model.Topic,
                Message = model.Message.Trim()
            });
            await db.SaveChangesAsync();
        }
        catch (Exception ex)
        {
            logger.LogError(ex, "Could not save contact message.");
            ModelState.AddModelError(string.Empty, "We could not send your message just now. Please try again in a few minutes.");
            return View(model);
        }

        TempData["Sent"] = true;
        return RedirectToAction(nameof(Contact));
    }

    [HttpGet("error/{code:int?}")]
    public IActionResult Error(int? code)
    {
        var status = code ?? 500;
        Response.StatusCode = status;
        return View(status);
    }
}