{% extends "base.html" %}
{% block content %}
<header class="mb-stack-lg">
  <h1 class="text-headline-xl-mobile font-bold text-on-background md:text-headline-xl">Alerts</h1>
  <p class="mt-1 text-body-base text-on-surface-variant">Filter, triage, acknowledge, resolve, or reopen deterministic DMARC alerts.</p>
</header>

<form class="alerts-filter-bar" method="get" id="alerts-filter-form">
  <label>
    <span class="label-caps">Domain</span>
    <select name="domain">
      <option value="">All domains</option>
      {% for item in domains %}
      <option value="{{ item }}" {{ "selected" if item == selected_domain else "" }}>{{ item }}</option>
      {% endfor %}
    </select>
  </label>
  <label>
    <span class="label-caps">Type</span>
    <select name="alert_type">
      <option value="">All types</option>
      {% for item in alert_types %}
      <option value="{{ item }}" {{ "selected" if item == selected_type else "" }}>{{ item }}</option>
      {% endfor %}
    </select>
  </label>
  <label>
    <span class="label-caps">Severity</span>
    <select name="severity">
      <option value="">All severities</option>
      {% for item in severities %}
      <option value="{{ item }}" {{ "selected" if item == selected_severity else "" }}>{{ item }}</option>
      {% endfor %}
    </select>
  </label>
  <label>
    <span class="label-caps">State</span>
    <select name="status">
      {% for item in ["open", "acknowledged", "resolved", ""] %}
      <option value="{{ item }}" {{ "selected" if item == selected_status else "" }}>{{ item or "all states" }}</option>
      {% endfor %}
    </select>
  </label>
  <label>
    <span class="label-caps">Report From</span>
    <input type="date" name="date_from" value="{{ selected_date_from }}">
  </label>
  <label>
    <span class="label-caps">Report To</span>
    <input type="date" name="date_to" value="{{ selected_date_to }}">
  </label>
</form>

<section class="alerts-bulk-bar">
  <div>
    <strong id="alerts-selected-count">0 selected</strong>
    <span class="dw-muted">{{ total }} alerts match current filters</span>
  </div>
  <div class="flex flex-wrap gap-stack-sm">
    <button class="button-secondary js-bulk-alert-action" type="button" data-status="acknowledged" disabled>
      <span class="material-symbols-outlined text-[18px]">done</span>
      Acknowledge
    </button>
    <button class="button-secondary js-bulk-alert-action" type="button" data-status="resolved" disabled>
      <span class="material-symbols-outlined text-[18px]">task_alt</span>
      Resolve
    </button>
    <button class="button-secondary js-bulk-alert-action" type="button" data-status="open" disabled>
      <span class="material-symbols-outlined text-[18px]">restart_alt</span>
      Reopen
    </button>
  </div>
</section>

<section class="surface-card overflow-hidden">
  {% for alert in alerts %}
  {% set is_critical = alert.severity == "critical" %}
  <article class="alert-row border-b border-outline-variant p-stack-md last:border-b-0 is-{{ alert.severity_class }}" data-alert-id="{{ alert.id }}" data-status="{{ alert.status }}">
    <div class="flex flex-col items-start justify-between gap-stack-md xl:flex-row">
      <div class="min-w-0 flex-1">
        <div class="mb-1 flex flex-wrap items-center gap-stack-sm">
          <label class="alert-select">
            <input class="js-alert-checkbox" type="checkbox" value="{{ alert.id }}">
            <span></span>
          </label>
          <span class="status-chip chip-{{ alert.severity_class }}">{{ alert.severity }}</span>
          <span class="status-chip js-alert-status {{ 'chip-pass' if alert.status == 'resolved' else ('chip-warning' if alert.status == 'acknowledged' else 'chip-fail') }}">{{ alert.status }}</span>
          <span class="label-caps">• {{ alert.type }}</span>
        </div>
        <h2 class="text-headline-md font-semibold text-on-surface">{{ alert.title }}</h2>
        <div class="mt-stack-sm flex flex-wrap items-center gap-stack-sm text-body-sm text-on-surface-variant">
          <code class="rounded bg-surface-container px-2 py-0.5 font-mono text-data-mono text-secondary">{{ alert.domain }}</code>
          <span>Report period: {{ alert.report_start | fmt_dt }}{% if alert.report_end and alert.report_end != alert.report_start %} to {{ alert.report_end | fmt_dt }}{% endif %}</span>
          {% if alert.source_history %}
          <span>{{ alert.source_history }}</span>
          {% endif %}
          {% if alert.report_db_id %}
          <a class="dw-inline-link" href="/reports/{{ alert.report_db_id }}">Source report</a>
          {% endif %}
        </div>
        <p class="mt-stack-md text-body-base text-on-surface-variant">{{ alert.llm_summary or alert.summary }}</p>
        {% if alert.llm_recommended_action %}
        <p class="mt-stack-sm text-body-sm italic text-secondary">{{ alert.llm_recommended_action }}</p>
        {% endif %}
      </div>
      <div class="alert-actions flex shrink-0 flex-wrap gap-stack-sm">
        <button class="button-secondary js-alert-action" type="button" data-status="acknowledged" {{ "disabled" if alert.status == "acknowledged" else "" }}>
          <span class="material-symbols-outlined text-[18px]">done</span>
          Acknowledge
        </button>
        <button class="button-secondary js-alert-action" type="button" data-status="resolved" {{ "disabled" if alert.status == "resolved" else "" }}>
          <span class="material-symbols-outlined text-[18px]">task_alt</span>
          Resolve
        </button>
        <button class="button-secondary js-alert-action" type="button" data-status="open" {{ "disabled" if alert.status == "open" else "" }}>
          <span class="material-symbols-outlined text-[18px]">restart_alt</span>
          Reopen
        </button>
      </div>
    </div>
  </article>
  {% else %}
  <div class="p-gutter text-on-surface-variant">No alerts match these filters.</div>
  {% endfor %}
</section>

<div class="dw-table-footer alerts-pager">
  <span>{{ ((page - 1) * page_size) + 1 if total else 0 }}-{{ [page * page_size, total] | min }} of {{ total }}</span>
  <span class="dw-pager">
    <a class="{{ 'is-disabled' if page <= 1 else '' }}" href="/alerts?page={{ page - 1 }}&domain={{ selected_domain }}&alert_type={{ selected_type }}&severity={{ selected_severity }}&status={{ selected_status }}&date_from={{ selected_date_from }}&date_to={{ selected_date_to }}"><span class="material-symbols-outlined">chevron_left</span></a>
    <a class="{{ 'is-disabled' if page * page_size >= total else '' }}" href="/alerts?page={{ page + 1 }}&domain={{ selected_domain }}&alert_type={{ selected_type }}&severity={{ selected_severity }}&status={{ selected_status }}&date_from={{ selected_date_from }}&date_to={{ selected_date_to }}"><span class="material-symbols-outlined">chevron_right</span></a>
  </span>
</div>

<script>
  (() => {
    const rows = Array.from(document.querySelectorAll(".alert-row"));
    const boxes = Array.from(document.querySelectorAll(".js-alert-checkbox"));
    const selectedCount = document.getElementById("alerts-selected-count");
    const bulkButtons = Array.from(document.querySelectorAll(".js-bulk-alert-action"));
    const filterForm = document.getElementById("alerts-filter-form");
    let lastChecked = null;

    filterForm.querySelectorAll("select,input").forEach((control) => {
      control.addEventListener("change", () => {
        const page = filterForm.querySelector("input[name='page']");
        if (page) page.value = "1";
        filterForm.requestSubmit();
      });
    });

    const selectedIds = () => boxes.filter((box) => box.checked).map((box) => Number(box.value));
    const refreshBulk = () => {
      const count = selectedIds().length;
      selectedCount.textContent = `${count} selected`;
      bulkButtons.forEach((button) => { button.disabled = count === 0; });
    };

    boxes.forEach((box, index) => {
      box.addEventListener("click", (event) => {
        if ((event.shiftKey || (event.metaKey && event.shiftKey)) && lastChecked !== null) {
          const start = Math.min(lastChecked, index);
          const end = Math.max(lastChecked, index);
          boxes.slice(start, end + 1).forEach((item) => { item.checked = box.checked; });
        }
        lastChecked = index;
        refreshBulk();
      });
    });

    rows.forEach((row) => {
      row.addEventListener("click", (event) => {
        if (event.target.closest("button,a,label,input")) return;
        const box = row.querySelector(".js-alert-checkbox");
        box.checked = !box.checked;
        lastChecked = boxes.indexOf(box);
        refreshBulk();
      });
    });

    const applyStatus = (row, status) => {
      row.dataset.status = status;
      const chip = row.querySelector(".js-alert-status");
      chip.textContent = status;
      chip.className = `status-chip js-alert-status ${status === "resolved" ? "chip-pass" : (status === "acknowledged" ? "chip-warning" : "chip-fail")}`;
      row.querySelectorAll(".js-alert-action").forEach((button) => {
        button.disabled = button.dataset.status === status;
      });
    };

    const postStatus = async (id, status) => {
      const endpoint = status === "open" ? `/api/alerts/${id}/reopen` : `/api/alerts/${id}/${status === "resolved" ? "resolve" : "ack"}`;
      const response = await fetch(endpoint, { method: "POST", headers: window.adminPostHeaders, credentials: "same-origin" });
      if (!response.ok) throw new Error("Alert update failed.");
      return response.json();
    };

    document.querySelectorAll(".js-alert-action").forEach((button) => {
      button.addEventListener("click", async () => {
        const row = button.closest(".alert-row");
        button.disabled = true;
        try {
          await postStatus(row.dataset.alertId, button.dataset.status);
          applyStatus(row, button.dataset.status);
        } catch (error) {
          button.disabled = false;
        }
      });
    });

    bulkButtons.forEach((button) => {
      button.addEventListener("click", async () => {
        const ids = selectedIds();
        if (!ids.length) return;
        const response = await fetch("/api/alerts/bulk", {
          method: "POST",
          headers: { ...window.adminPostHeaders, "Content-Type": "application/json" },
          credentials: "same-origin",
          body: JSON.stringify({ ids, status: button.dataset.status }),
        });
        if (!response.ok) return;
        rows.filter((row) => ids.includes(Number(row.dataset.alertId))).forEach((row) => applyStatus(row, button.dataset.status));
        boxes.forEach((box) => { box.checked = false; });
        refreshBulk();
      });
    });
  })();
</script>
{% endblock %}