from __future__ import annotations

from collections.abc import Mapping
from datetime import datetime

from .components import _event_label
from .html_utils import attr, escape


def _account_row(account: Mapping[str, object], csrf: str = "", admin_path: str = "/admin") -> str:
    raw_hostname = str(account["hostname"])
    hostname = escape(raw_hostname)
    hostname_attr = attr(raw_hostname)
    status = "Active" if account.get("accepted_at") else "Pending"
    ipv4_raw = str(account.get("ipv4") or "-")
    ipv6_raw = str(account.get("ipv6") or "-")
    updated_raw = str(account.get("updated_at") or "Never")
    ipv4 = escape(ipv4_raw)
    ipv6 = escape(ipv6_raw)
    updated = escape(_short_time(updated_raw, "Never"))
    safe_admin_path = attr(admin_path)
    return f"""
      <tr>
        <td class="cell-hostname" title="{hostname_attr}">{hostname}</td>
        <td class="cell-status">{escape(status)}</td>
        <td class="cell-ip" title="{attr(ipv4_raw)}">{ipv4}</td>
        <td class="cell-ip" title="{attr(ipv6_raw)}">{ipv6}</td>
        <td class="cell-time" title="{attr(updated_raw)}">{updated}</td>
        <td class="cell-actions">
          <form method="post" action="{safe_admin_path}/hostnames/rotate" class="admin-action-group">
            <input type="hidden" name="csrf" value="{attr(csrf)}">
            <input type="hidden" name="hostname" value="{hostname_attr}">
            <button name="action" value="update" class="btn btn-sm btn-light rounded-pill" title="Create a new update URL" aria-label="New update URL for {hostname_attr}">Update URL</button>
            <button name="action" value="management" class="btn btn-sm btn-light rounded-pill" title="Create a new dashboard link" aria-label="New dashboard link for {hostname_attr}">Dashboard</button>
          </form>
        </td>
        <td class="cell-delete">
          <form method="post" action="{safe_admin_path}/hostnames/delete">
            <input type="hidden" name="csrf" value="{attr(csrf)}">
            <input type="hidden" name="hostname" value="{hostname_attr}">
            <button class="btn btn-sm btn-outline-danger rounded-pill" title="Delete hostname" aria-label="Delete {hostname_attr}">Delete</button>
          </form>
        </td>
      </tr>
    """


def _admin_table_toolbar(table_id: str, search_label: str) -> str:
    safe_id = attr(table_id)
    safe_label = attr(search_label)
    return f"""
      <div class="admin-table-shell mt-3" data-admin-table>
        <div class="d-flex align-items-center justify-content-between gap-3 flex-column flex-md-row mb-3">
          <label class="w-100 mb-0" for="{safe_id}-search">
            <span class="visually-hidden">{safe_label}</span>
            <input id="{safe_id}-search" class="form-control" type="search" placeholder="{safe_label}" data-table-search autocomplete="off">
          </label>
          <div class="d-flex align-items-center gap-2 flex-shrink-0">
            <span class="small text-secondary text-nowrap" data-table-count>0-0 of 0</span>
            <label class="visually-hidden" for="{safe_id}-page-size">Rows per page</label>
            <select id="{safe_id}-page-size" class="form-select form-select-sm table-page-size" data-table-page-size>
              <option value="10">10</option>
              <option value="25" selected>25</option>
              <option value="50">50</option>
              <option value="100">100</option>
            </select>
          </div>
        </div>
    """


def _admin_table_pagination() -> str:
    return """
        <nav class="mt-3" aria-label="Table pagination">
          <ul class="pagination pagination-sm justify-content-end mb-0" data-table-pagination></ul>
        </nav>
      </div>
    """


def _event_row(event: Mapping[str, object]) -> str:
    created_raw = str(event.get("created_at") or "-")
    hostname_raw = str(event.get("hostname") or "-")
    detail_raw = str(event.get("detail") or "-")
    created = escape(_short_time(created_raw))
    hostname = escape(hostname_raw)
    status = escape(_event_label(event.get("status")))
    ipv4 = escape(event.get("ipv4") or "-")
    ipv6 = escape(event.get("ipv6") or "-")
    count = escape(event.get("count") or 1)
    detail = escape(detail_raw)
    return (
        f'<tr><td class="cell-time" title="{attr(created_raw)}">{created}</td>'
        f'<td class="cell-hostname" title="{attr(hostname_raw)}">{hostname}</td>'
        f'<td class="cell-status">{status}</td><td class="cell-ip">{ipv4}</td><td class="cell-ip">{ipv6}</td>'
        f'<td class="cell-count">{count}</td><td class="cell-detail" title="{attr(detail_raw)}">{detail}</td></tr>'
    )


def _short_time(value: str, fallback: str = "-") -> str:
    if not value or value == fallback:
        return fallback
    try:
        parsed = datetime.fromisoformat(value)
    except ValueError:
        return value
    return parsed.strftime("%Y-%m-%d %H:%M")