// components/dashboards/SiteCard.tsx
'use client';

import React, { useEffect, useMemo, useState } from 'react';
import Link from 'next/link';
import { formatAddress } from '@/app/utils/formatAddress';
import { formatCrmTimestamp } from '@/app/utils/datetime';

type CrmProject = {
  name: string;                  // e.g. PROJ-0008 (siteId)
  project_name: string;
  status?: string;
  percent_complete?: number | null;
  owner?: string | null;
  modified?: string | null;
  customer?: string | null;
  project_type?: string | null;
  custom_address?: string | null;
  custom_email?: string | null;
  custom_mobile_phone_no?: string | null;
};

interface SiteCardProps {
  siteId: string;                // CRM Project "name" (canonical id)
  className?: string;            // optional styling hook
  fallbackStatus?: string;       // optional backup status if CRM is missing it
}

const API = process.env.NEXT_PUBLIC_API_URL ?? 'http://localhost:8000';

const SiteCard: React.FC<SiteCardProps> = ({ siteId, className = '', fallbackStatus }) => {
  const [project, setProject] = useState<CrmProject | null>(null);
  const [loading, setLoading] = useState(true);
  const [err, setErr] = useState<string | null>(null);

  useEffect(() => {
    let cancelled = false;

    const fetchProject = async () => {
      setLoading(true);
      setErr(null);
      try {
        // ---- Try a single-project endpoint first (best) ----
        // e.g. GET /crm/projects/PROJ-0008
        const single = await fetch(`${API}/crm/projects/${encodeURIComponent(siteId)}`);
        if (single.ok) {
          const pj = await single.json();
          if (!cancelled) setProject(pj?.data ?? pj ?? null);
        } else {
          // ---- Fallback: fetch all and find by name (works with your existing API) ----
          const list = await fetch(`${API}/crm/projects?limit=0`);
          if (!list.ok) throw new Error(await list.text());
          const json = await list.json();
          const found = (json?.data ?? []).find((p: CrmProject) => p.name === siteId) ?? null;
          if (!cancelled) setProject(found);
        }
      } catch (e: any) {
        if (!cancelled) setErr(e?.message ?? 'Failed to load CRM project');
      } finally {
        if (!cancelled) setLoading(false);
      }
    };

    fetchProject();
    return () => { cancelled = true; };
  }, [siteId]);

  const status = project?.status || fallbackStatus || 'Unknown';
  const statusColorClass =
    status === 'Active' ? 'text-green-500' :
    status === 'Inactive' ? 'text-orange-500' :
    'text-red-500';

  const niceAddress = useMemo(() => {
    if (!project?.custom_address) return 'N/A';
    return formatAddress(project.custom_address).multiLine;
  }, [project?.custom_address]);

  const lastSync = useMemo(() => {
    return formatCrmTimestamp(project?.modified, { includeSeconds: true }) || 'N/A';
  }, [project?.modified]);

  const inverterProvider = project?.project_type || 'N/A';
  const emergencyContact =
    project?.custom_mobile_phone_no ||
    project?.custom_email ||
    project?.customer ||
    'N/A';

  return (
    <div className={`bg-white p-4 rounded-lg shadow-md dark:bg-gray-800 dark:text-white-light flex flex-col space-y-2 ${className}`}>
      <h3 className="text-xl font-bold text-primary-600 dark:text-primary-400 border-b pb-2 mb-2">
        {project?.project_name || siteId}
      </h3>

      {loading ? (
        <div className="animate-pulse space-y-2">
          <div className="h-4 w-24 bg-gray-200 dark:bg-gray-700 rounded" />
          <div className="h-4 w-48 bg-gray-200 dark:bg-gray-700 rounded" />
          <div className="h-4 w-40 bg-gray-200 dark:bg-gray-700 rounded" />
          <div className="h-4 w-36 bg-gray-200 dark:bg-gray-700 rounded" />
        </div>
      ) : err ? (
        <div className="text-red-500 text-sm">Failed to load CRM: {err}</div>
      ) : !project ? (
        <div className="text-amber-500 text-sm">No CRM project found for <span className="font-semibold">{siteId}</span>.</div>
      ) : (
        <>
          <div className="flex justify-between items-center">
            <p className="text-gray-600 dark:text-gray-400 font-medium">Status:</p>
            <p className={`font-semibold ${statusColorClass}`}>{status}</p>
          </div>

          <div className="flex justify-between items-center">
            <p className="text-gray-600 dark:text-gray-400 font-medium">Location:</p>
            <p className="font-medium whitespace-pre-line text-right">{niceAddress}</p>
          </div>

          <div className="flex justify-between items-center">
            <p className="text-gray-600 dark:text-gray-400 font-medium">Inverter Provider:</p>
            <p className="font-medium">{inverterProvider}</p>
          </div>

          <div className="flex justify-between items-center">
            <p className="text-gray-600 dark:text-gray-400 font-medium">Emergency Contact:</p>
            <p className="font-medium text-right">{emergencyContact}</p>
          </div>

          <div className="flex justify-between items-center">
            <p className="text-gray-600 dark:text-gray-400 font-medium">Last Sync:</p>
            <p className="font-medium">{lastSync}</p>
          </div>
        </>
      )}

      <Link
        href={{ pathname: '/adminDashboard', query: { site: siteId } }}
        className="mt-4 w-full text-center text-sm btn-primary"
      >
        View Dashboard
      </Link>
    </div>
  );
};

export default SiteCard;
