"use client";

import { useState } from "react";
import { X, Plus, Loader2 } from "lucide-react";

interface AddInboundMessageModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSuccess: () => void;
  contactId: string;
  contactEmail: string;
  csrfToken: string;
}

export default function AddInboundMessageModal({
  isOpen,
  onClose,
  onSuccess,
  contactId,
  contactEmail,
  csrfToken,
}: AddInboundMessageModalProps) {
  const [bodyText, setBodyText] = useState("");
  const [receivedAt, setReceivedAt] = useState("");
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const handleSubmit = async () => {
    if (!bodyText.trim()) {
      setError("Please enter the message content");
      return;
    }

    setIsLoading(true);
    setError(null);

    try {
      const response = await fetch(
        `/api/staff/dashboard/contacts/${contactId}/messages`,
        {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
            "X-CSRF-Token": csrfToken,
          },
          body: JSON.stringify({
            bodyText,
            ...(receivedAt && {
              receivedAt: new Date(receivedAt).toISOString(),
            }),
          }),
        },
      );

      if (!response.ok) {
        const data = await response.json();
        throw new Error(data.error || "Failed to log message");
      }

      onSuccess();
      onClose();
    } catch (err) {
      setError(err instanceof Error ? err.message : "Failed to log message");
    } finally {
      setIsLoading(false);
    }
  };

  if (!isOpen) return null;

  return (
    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50">
      <div className="bg-white rounded-lg shadow-xl w-full max-w-md overflow-hidden">
        {/* Header */}
        <div className="flex items-center justify-between px-6 py-4 border-b">
          <h2 className="text-lg font-semibold">Log Customer Response</h2>
          <button
            onClick={onClose}
            className="p-1 hover:bg-gray-100 rounded-full transition-colors"
          >
            <X className="w-5 h-5" />
          </button>
        </div>

        {/* Content */}
        <div className="p-6 space-y-4">
          <p className="text-sm text-gray-600">
            Manually log a response from <strong>{contactEmail}</strong> that
            was received outside the system (e.g., via email reply).
          </p>

          {/* Message content */}
          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Message Content
            </label>
            <textarea
              value={bodyText}
              onChange={(e) => setBodyText(e.target.value)}
              placeholder="Enter the customer's response..."
              rows={5}
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent resize-none"
            />
          </div>

          {/* Received at (optional) */}
          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Received At (optional)
            </label>
            <input
              type="datetime-local"
              value={receivedAt}
              onChange={(e) => setReceivedAt(e.target.value)}
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent"
            />
            <p className="mt-1 text-xs text-gray-500">
              Leave empty to use current time
            </p>
          </div>

          {/* Error message */}
          {error && (
            <div className="p-3 bg-red-50 text-red-700 rounded-lg text-sm">
              {error}
            </div>
          )}
        </div>

        {/* Footer */}
        <div className="flex items-center justify-end gap-3 px-6 py-4 border-t bg-gray-50">
          <button
            onClick={onClose}
            disabled={isLoading}
            className="px-4 py-2 text-sm font-medium text-gray-700 hover:bg-gray-100 rounded-lg transition-colors"
          >
            Cancel
          </button>
          <button
            onClick={handleSubmit}
            disabled={isLoading}
            className="inline-flex items-center gap-2 px-4 py-2 text-sm font-medium text-white bg-primary-600 hover:bg-primary-700 rounded-lg transition-colors disabled:opacity-50"
          >
            {isLoading ? (
              <>
                <Loader2 className="w-4 h-4 animate-spin" />
                Saving...
              </>
            ) : (
              <>
                <Plus className="w-4 h-4" />
                Add Message
              </>
            )}
          </button>
        </div>
      </div>
    </div>
  );
}