<script lang="ts">
  import { onMount } from 'svelte';

  let { 
    message, 
    type = 'error',
    duration = 5000,
    onDismiss 
  } = $props<{
    message: string;
    type?: 'error' | 'success' | 'warning' | 'info';
    duration?: number;
    onDismiss?: () => void;
  }>();

  let visible = $state(true);
  let timeoutId: ReturnType<typeof setTimeout>;

  // Auto-dismiss after specified duration
  onMount(() => {
    if (duration > 0) {
      timeoutId = setTimeout(() => {
        dismiss();
      }, duration);
    }

    // Cleanup timeout on component destroy
    return () => {
      if (timeoutId) {
        clearTimeout(timeoutId);
      }
    };
  });

  function dismiss() {
    visible = false;
    if (onDismiss) {
      onDismiss();
    }
  }

  // Get styles based on toast type
  const getToastStyles = (type: string) => {
    switch (type) {
      case 'success':
        return 'border-green-200 bg-green-50 text-green-800';
      case 'warning':
        return 'border-yellow-200 bg-yellow-50 text-yellow-800';
      case 'info':
        return 'border-blue-200 bg-blue-50 text-blue-800';
      case 'error':
      default:
        return 'border-red-200 bg-red-50 text-red-800';
    }
  };

  // Get icon SVG path based on toast type
  const getIconSvg = (type: string) => {
    switch (type) {
      case 'success':
        return `<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7" />`;
      case 'warning':
        return `<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-2.694-.833-3.464 0L3.268 16c-.77.833.192 2.5 1.732 2.5z" />`;
      case 'info':
        return `<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />`;
      case 'error':
      default:
        return `<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />`;
    }
  };
</script>

{#if visible && message}
  <div 
    class="rounded-lg border p-4 shadow-lg w-full {getToastStyles(type)}"
    role="alert"
    aria-live="polite"
  >
    <div class="flex items-start gap-3">
      <!-- Icon -->
      <div class="flex-shrink-0">
        <svg 
          class="h-5 w-5" 
          xmlns="http://www.w3.org/2000/svg" 
          fill="none" 
          viewBox="0 0 24 24" 
          stroke="currentColor"
          aria-hidden="true"
        >
          {@html getIconSvg(type)}
        </svg>
      </div>
      
      <!-- Message -->
      <div class="flex-1">
        <p class="text-sm font-medium">
          {message}
        </p>
      </div>
      
      <!-- Close button -->
      <button
        onclick={dismiss}
        class="flex-shrink-0 ml-2 text-current opacity-70 hover:opacity-100 transition-opacity"
        aria-label="Dismiss notification"
      >
        <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
        </svg>
      </button>
    </div>
    
    <!-- Toast has no progress bar as requested -->
  </div>
{/if}
