using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using EonaCat.LogStack.Status.Data;
using EonaCat.LogStack.Status.Models;
using EonaCat.LogStack.Status.Services;
using Monitor = EonaCat.LogStack.Status.Models.Monitor;

namespace EonaCat.LogStack.Status.Pages;

public class IndexModel : PageModel
{
    private readonly DatabaseContext _db;
    private readonly MonitoringService _monSvc;
    private readonly AuthenticationService _authSvc;

    public IndexModel(DatabaseContext db, MonitoringService monSvc, AuthenticationService authSvc)
    {
        _db = db;
        _monSvc = monSvc;
        _authSvc = authSvc;
    }

    public DashboardStats Stats { get; set; } = new();
    public List<Monitor> Monitors { get; set; } = new();
    public List<CertificateEntry> Certificates { get; set; } = new();
    public bool IsAdmin { get; set; }
    public bool ShowUptime { get; set; }
    public string SiteName { get; set; } = "Status";
    public Dictionary<int, List<MonitorCheck>> RecentChecks { get; set; } = new();

    public async Task OnGetAsync()
    {
        IsAdmin = HttpContext.Session.GetString("IsAdmin") == "true";
        ShowUptime = (await _authSvc.GetSettingAsync("ShowUptimePublicly", "true")) == "true";
        SiteName = await _authSvc.GetSettingAsync("SiteName", "Status");
        Stats = await _monSvc.GetStatsAsync(IsAdmin);

        var query = _db.Monitors.Where(m => m.IsActive);
        if (!IsAdmin)
        {
            query = query.Where(m => m.IsPublic);
        }

        Monitors = await query.OrderBy(m => m.GroupName).ThenBy(m => m.Name).ToListAsync();

        Certificates = await _db.Certificates
            .OrderBy(c => c.ExpiresAt)
            .ToListAsync();

        // Get last 90 checks per monitor for uptime bars
        var monitorIds = Monitors.Select(m => m.Id).ToList();
        var cutoff = DateTime.UtcNow.AddDays(-7);
        var checks = await _db.MonitorChecks
            .Where(c => monitorIds.Contains(c.MonitorId) && c.CheckedAt >= cutoff)
            .OrderByDescending(c => c.CheckedAt)
            .ToListAsync();

        foreach (var m in Monitors)
        {
            RecentChecks[m.Id] = checks.Where(c => c.MonitorId == m.Id).Take(90).Reverse().ToList();
        }
    }
}