import {
  ElementSettings,
  ElementType,
  UiElementItem,
  UiElementRow,
} from './types';

export const UI_ELEMENT_TYPES: ElementType[] = [
  'nav_button',
  'spot',
  'description',
  'gallery',
  'carousel',
  'logo',
  'video_player',
  'popup',
];

export const toElementLabel = (value: string) =>
  value
    .split('_')
    .map((part) => part.charAt(0).toUpperCase() + part.slice(1))
    .join(' ');

const defaultSettingsByType: Record<string, ElementSettings> = {
  nav_button: {
    style: {
      color: '#ffffff',
      backgroundColor: '#2563eb',
      border: '1px solid #1d4ed8',
    },
    layout: {
      position: 'absolute',
      widthPercent: 16,
      heightPercent: 8,
      xPercent: 10,
      yPercent: 10,
    },
    content: {
      icon: 'mdiArrowRight',
      title: 'Action',
      placeholder: '',
      text: 'Open',
    },
  },
  spot: {
    style: {
      color: '#111827',
      backgroundColor: '#fde68a',
      border: '1px solid #f59e0b',
    },
    layout: {
      position: 'absolute',
      widthPercent: 14,
      heightPercent: 8,
      xPercent: 20,
      yPercent: 20,
    },
    content: {
      icon: 'mdiMapMarker',
      title: 'Spot',
      placeholder: '',
      text: 'Important point',
    },
  },
  description: {
    style: {
      color: '#111827',
      backgroundColor: '#f3f4f6',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 28,
      heightPercent: 16,
      xPercent: 30,
      yPercent: 22,
    },
    content: {
      icon: 'mdiText',
      title: 'Description',
      placeholder: 'Enter description',
      text: 'Description text',
    },
  },
  gallery: {
    style: {
      color: '#111827',
      backgroundColor: '#ffffff',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 32,
      heightPercent: 20,
      xPercent: 12,
      yPercent: 40,
    },
    content: {
      icon: 'mdiImageMultiple',
      title: 'Gallery',
      placeholder: 'Image URL',
      text: '3 images',
    },
  },
  carousel: {
    style: {
      color: '#111827',
      backgroundColor: '#ffffff',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 34,
      heightPercent: 20,
      xPercent: 24,
      yPercent: 46,
    },
    content: {
      icon: 'mdiViewCarousel',
      title: 'Carousel',
      placeholder: 'Slide title',
      text: 'Slide 1',
    },
  },
  logo: {
    style: {
      color: '#111827',
      backgroundColor: '#ffffff',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 14,
      heightPercent: 10,
      xPercent: 72,
      yPercent: 10,
    },
    content: {
      icon: 'mdiImage',
      title: 'Logo',
      placeholder: 'Brand name',
      text: 'Brand',
    },
  },
  video_player: {
    style: {
      color: '#ffffff',
      backgroundColor: '#111827',
      border: '1px solid #111827',
    },
    layout: {
      position: 'absolute',
      widthPercent: 42,
      heightPercent: 28,
      xPercent: 12,
      yPercent: 58,
    },
    content: {
      icon: 'mdiPlayCircle',
      title: 'Video',
      placeholder: 'Video URL',
      text: 'Play video',
    },
  },
  popup: {
    style: {
      color: '#111827',
      backgroundColor: '#ffffff',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 30,
      heightPercent: 18,
      xPercent: 52,
      yPercent: 34,
    },
    content: {
      icon: 'mdiOpenInNew',
      title: 'Popup',
      placeholder: 'Popup title',
      text: 'Popup content',
    },
  },
};

const parseJsonObject = (value?: string): Record<string, any> => {
  if (!value) return {};

  try {
    const parsed = JSON.parse(value);
    return typeof parsed === 'object' && parsed !== null ? parsed : {};
  } catch {
    return {};
  }
};

export const normalizeUiElement = (row: UiElementRow): UiElementItem => {
  const defaults = defaultSettingsByType[row.element_type] || {
    style: {
      color: '#111827',
      backgroundColor: '#ffffff',
      border: '1px solid #d1d5db',
    },
    layout: {
      position: 'absolute',
      widthPercent: 20,
      heightPercent: 10,
      xPercent: 0,
      yPercent: 0,
    },
    content: {
      icon: 'mdiShape',
      title: toElementLabel(row.element_type),
      placeholder: '',
      text: row.name || '',
    },
  };
  const parsedSettings = parseJsonObject(row.settings_json);

  return {
    id: row.id,
    elementType: row.element_type,
    name: row.name || toElementLabel(row.element_type),
    sortOrder: Number(row.sort_order ?? 0),
    settings: {
      style: {
        ...defaults.style,
        ...(parsedSettings.style || {}),
      },
      layout: {
        ...defaults.layout,
        ...(parsedSettings.layout || {}),
      },
      content: {
        ...defaults.content,
        ...(parsedSettings.content || {}),
      },
    },
  };
};

export const getDefaultSettings = (
  elementType: ElementType,
): ElementSettings => {
  return (
    defaultSettingsByType[elementType] || {
      style: {
        color: '#111827',
        backgroundColor: '#ffffff',
        border: '1px solid #d1d5db',
      },
      layout: {
        position: 'absolute',
        widthPercent: 20,
        heightPercent: 10,
        xPercent: 0,
        yPercent: 0,
      },
      content: {
        icon: 'mdiShape',
        title: toElementLabel(elementType),
        placeholder: '',
        text: '',
      },
    }
  );
};