@extends('layouts.app')

@push('styles')
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/fullcalendar@6.1.11/index.global.min.css" />
<style>
    .fc { --fc-border-color: var(--eq-border); --fc-page-bg-color: transparent; }
    .fc .fc-col-header-cell { background: var(--eq-surface-2); }
    .fc .fc-col-header-cell-cushion { color: var(--eq-text); font-size: .8rem; font-weight: 600; text-decoration: none; }
    .fc .fc-daygrid-day-number { color: var(--eq-text); font-size: .8rem; text-decoration: none; }
    .fc .fc-day-today { background: rgba(20,184,166,.08) !important; }
    .fc .fc-event { font-size: .72rem; border-radius: .25rem; padding: 1px 4px; cursor: pointer; }
    .fc .fc-toolbar-title { font-size: 1.1rem; font-weight: 700; color: var(--eq-text); }
    .fc .fc-button { background: var(--eq-surface-2) !important; border: 1px solid var(--eq-border) !important; color: var(--eq-text) !important; font-size: .8rem !important; }
    .fc .fc-button:hover { background: var(--eq-border) !important; }
    .fc .fc-button-active { background: #14b8a6 !important; border-color: #14b8a6 !important; color: #fff !important; }
    .fc .fc-daygrid-more-link { color: #14b8a6; font-size: .72rem; }
    .fc .fc-list-event:hover td { background: rgba(20,184,166,.08); }
    .fc .fc-list-day-cushion { background: var(--eq-surface-2) !important; }
    .fc .fc-list-event-title a { color: var(--eq-text); text-decoration: none; }

    @keyframes pulseAlert {
        0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.4); }
        50% { box-shadow: 0 0 0 4px rgba(239,68,68,0); }
    }
</style>
@endpush

@section('content')
<div class="container-fluid px-3 py-2">
    <h5 class="mb-3" style="font-weight:700;color:var(--eq-text);">
        <i class="bi bi-calendar3"></i> Calendario de Tickets
    </h5>

    <div class="d-flex gap-2 mb-3 flex-wrap align-items-end">
        <div>
            <label class="tk-label">Responsable</label>
            <select id="filtroResponsable" class="tk-input" style="width:200px" onchange="recargarCalendario()">
                <option value="">-- Todos --</option>
                @foreach($usuariosResponsables as $r)
                    <option value="{{ $r->value }}">{{ $r->text }}</option>
                @endforeach
            </select>
        </div>
        <div>
            <label class="tk-label">Estado</label>
            <select id="filtroEstado" class="tk-input" style="width:160px" onchange="recargarCalendario()">
                <option value="">-- Todos --</option>
                <option value="Creado">Creado</option>
                <option value="En proceso">En proceso</option>
            </select>
        </div>
        <div class="d-flex gap-2 ms-auto">
            <span class="d-flex align-items-center gap-1" style="font-size:.75rem;color:var(--eq-text-dim);">
                <span style="display:inline-block;width:12px;height:12px;border-radius:2px;background:#3b82f6;"></span> Creado
            </span>
            <span class="d-flex align-items-center gap-1" style="font-size:.75rem;color:var(--eq-text-dim);">
                <span style="display:inline-block;width:12px;height:12px;border-radius:2px;background:#f59e0b;"></span> En proceso
            </span>
            <span class="d-flex align-items-center gap-1" style="font-size:.75rem;color:var(--eq-text-dim);">
                <span style="display:inline-block;width:12px;height:12px;border-radius:2px;background:#ef4444;"></span> +2 d&iacute;as (alerta)
            </span>
        </div>
    </div>

    <div class="tk-card">
        <div class="tk-card-body" style="padding:.8rem;">
            <div id="calendario" style="min-height:600px;"></div>
        </div>
    </div>
</div>

<div class="modal fade tk-modal" id="modalCalDetalle" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header" style="background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;border:none;">
                <h6 class="modal-title"><i class="bi bi-ticket-detailed"></i> Detalle Ticket #<span id="calDetId"></span></h6>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <div class="row g-3">
                    <div class="col-md-6"><div class="tk-label">Cliente</div><div id="calDetCliente" style="font-weight:600;"></div></div>
                    <div class="col-md-6"><div class="tk-label">Responsable</div><div id="calDetResponsable" style="font-weight:600;"></div></div>
                    <div class="col-md-4"><div class="tk-label">Fecha Creaci&oacute;n</div><div id="calDetFecha"></div></div>
                    <div class="col-md-4"><div class="tk-label">D&iacute;as</div><div id="calDetDias" style="font-weight:700;"></div></div>
                    <div class="col-md-4"><div class="tk-label">Estado</div><div id="calDetEstado"></div></div>
                    <div class="col-md-6"><div class="tk-label">Prioridad</div><div id="calDetPrioridad"></div></div>
                    <div class="col-md-6"><div class="tk-label">Categor&iacute;a / Problema</div><div id="calDetCategoria"></div></div>
                    <div class="col-12"><div class="tk-label">Descripci&oacute;n</div><div id="calDetDescripcion" class="tk-seg-item" style="white-space:pre-wrap;"></div></div>
                </div>
            </div>
            <div class="modal-footer">
                <a id="calDetLinkSeg" href="#" class="tk-btn tk-btn-primary"><i class="bi bi-arrow-right-circle"></i> Ir a Seguimiento</a>
                <button type="button" class="tk-btn tk-btn-secondary" data-bs-dismiss="modal">Cerrar</button>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script src="https://cdn.jsdelivr.net/npm/fullcalendar@6.1.11/index.global.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/fullcalendar@6.1.11/locales/es.global.min.js"></script>
<script>
    var _calTickets = [];
    var _calendar = null;

    document.addEventListener("DOMContentLoaded", function () { cargarTicketsCalendario(); });

    function cargarTicketsCalendario() {
        $.post("{{ url('/Tickets/GetTicketsSeguimiento') }}", function (data) {
            _calTickets = data;
            inicializarCalendario();
        });
    }

    function recargarCalendario() {
        if (!_calendar) return;
        _calendar.removeAllEvents();
        _calendar.addEventSource(mapearEventos());
    }

    function mapearEventos() {
        var filtroResp = document.getElementById("filtroResponsable").value.toUpperCase();
        var filtroEstado = document.getElementById("filtroEstado").value;

        return _calTickets
            .filter(function (t) {
                if (filtroResp && t.USUARIOASIGNADO.toUpperCase() !== filtroResp.toUpperCase()) return false;
                if (filtroEstado && t.ESTADO !== filtroEstado) return false;
                return true;
            })
            .map(function (t) {
                var fechaParts = t.FECHAA.split("-");
                var fechaISO = fechaParts[2] + "-" + fechaParts[0] + "-" + fechaParts[1];

                var esAlerta = t.DIAS > 2;
                var color = "#3b82f6";
                if (t.ESTADO === "En proceso") color = "#f59e0b";
                if (esAlerta) color = "#ef4444";

                var titulo = "#" + t.ID + " " + t.CLIENTE;
                if (t.PROBLEMA) titulo += " - " + t.PROBLEMA;

                return {
                    id: t.ID, title: titulo, start: fechaISO,
                    backgroundColor: color,
                    borderColor: esAlerta ? "#dc2626" : color,
                    textColor: (t.ESTADO === "En proceso" && !esAlerta) ? "#000" : "#fff",
                    extendedProps: t
                };
            });
    }

    function inicializarCalendario() {
        var calEl = document.getElementById("calendario");
        _calendar = new FullCalendar.Calendar(calEl, {
            locale: "es",
            initialView: "dayGridMonth",
            headerToolbar: { left: "prev,today,next", center: "title", right: "dayGridMonth,timeGridWeek,listWeek" },
            buttonText: { today: "Hoy", month: "Mes", week: "Semana", list: "Lista" },
            events: mapearEventos(),
            height: "auto",
            dayMaxEvents: 4,
            eventClick: function (info) { mostrarDetalleCalendario(info.event.extendedProps); },
            eventDidMount: function (info) {
                var t = info.event.extendedProps;
                if (t.DIAS > 2) info.el.style.animation = "pulseAlert 2s infinite";
                info.el.title = "Ticket #" + t.ID + " | " + t.ESTADO + " | " + t.DIAS + " d\u00edas | " + t.USUARIOASIGNADO;
            }
        });
        _calendar.render();
    }

    function mostrarDetalleCalendario(t) {
        document.getElementById("calDetId").textContent = t.ID;
        document.getElementById("calDetCliente").textContent = t.CLIENTE;
        document.getElementById("calDetResponsable").textContent = t.USUARIOASIGNADO;
        document.getElementById("calDetFecha").textContent = t.FECHAA;

        var diasEl = document.getElementById("calDetDias");
        diasEl.textContent = t.DIAS + " d\u00edas";
        diasEl.style.color = t.DIAS > 2 ? "#ef4444" : (t.DIAS > 1 ? "#f59e0b" : "#14b8a6");

        var estadoEl = document.getElementById("calDetEstado");
        if (t.ESTADO === "Creado") estadoEl.innerHTML = '<span class="tk-badge-creado">' + t.ESTADO + '</span>';
        else estadoEl.innerHTML = '<span class="tk-badge-proceso">' + t.ESTADO + '</span>';

        var prioEl = document.getElementById("calDetPrioridad");
        prioEl.innerHTML = '<span style="display:inline-block;padding:.15rem .5rem;border-radius:.2rem;font-size:.75rem;font-weight:600;color:#fff;background:' + t.COLOR_PRIORIDAD + '">' + t.PRIORIDAD + '</span>';

        document.getElementById("calDetCategoria").textContent = t.CATEGORIA + " / " + t.PROBLEMA;
        document.getElementById("calDetDescripcion").textContent = t.DESCRIPCION || "(sin descripci\u00f3n)";
        document.getElementById("calDetLinkSeg").href = "{{ url('/Tickets/Seguimiento') }}?highlight=" + t.ID;

        new bootstrap.Modal(document.getElementById("modalCalDetalle")).show();
    }
</script>
@endpush