/**
 * Internal dependencies
 */
import Select from '../select';
import InputDrag from '../input-drag';
import getIcon from '../../utils/get-icon';
import ApplyFilters from '../apply-filters';

/**
 * WordPress dependencies
 */
const { Component } = wp.element;

const { Tooltip, DropdownMenu, MenuGroup, MenuItem, ExternalLink } = wp.components;

const { __ } = wp.i18n;

const { applyFilters } = wp.hooks;

const { GHOSTKIT } = window;

/**
 * Get Default Font
 * @param {string} fontFamily - Current Font.
 * @return {*} - Current font or default label if font is empty.
 */
function getDefaultFont(fontFamily) {
  return fontFamily === '' ? __('Default Site Font', 'ghostkit') : fontFamily;
}

/**
 * Go over each fonts.
 *
 * @param {string} category - Font Family Category.
 * @return {*[]} - Fonts List.
 */
function getFonts(category = 'google-fonts') {
  const { fonts } = GHOSTKIT;

  const fontList = [];

  Object.keys(fonts).forEach((fontFamilyCategory) => {
    Object.keys(fonts[fontFamilyCategory].fonts).forEach((fontKey) => {
      const fontData = fonts[fontFamilyCategory].fonts[fontKey];
      let fontValue = fontData.name;

      if (fontFamilyCategory === 'default') {
        fontValue = '';
      }

      if (category === fontFamilyCategory || fontFamilyCategory === 'default') {
        fontList.push({
          value: fontValue,
          label: fontData.label || fontData.name,
          fontFamilyCategory,
        });
      }
    });
  });

  return fontList;
}

/**
 * Get Weight Label.
 *
 * @param {string} weight - Weight Value.
 * @return {string} - Weight Label.
 */
function getFontWeightLabel(weight) {
  let label = '';

  switch (weight) {
    case '':
      label = __('Default', 'ghostkit');
      break;
    case '100':
      label = __('Thin', 'ghostkit');
      break;
    case '100i':
      label = __('Thin Italic', 'ghostkit');
      break;
    case '200':
      label = __('Extra Light', 'ghostkit');
      break;
    case '200i':
      label = __('Extra Light Italic', 'ghostkit');
      break;
    case '300':
      label = __('Light', 'ghostkit');
      break;
    case '300i':
      label = __('Light Italic', 'ghostkit');
      break;
    case '400':
      label = __('Regular', 'ghostkit');
      break;
    case '400i':
      label = __('Regular Italic', 'ghostkit');
      break;
    case '500':
      label = __('Medium', 'ghostkit');
      break;
    case '500i':
      label = __('Medium Italic', 'ghostkit');
      break;
    case '600':
      label = __('Semi Bold', 'ghostkit');
      break;
    case '600i':
      label = __('Semi Bold Italic', 'ghostkit');
      break;
    case '700':
      label = __('Bold', 'ghostkit');
      break;
    case '700i':
      label = __('Bold Italic', 'ghostkit');
      break;
    case '800':
      label = __('Extra Bold', 'ghostkit');
      break;
    case '800i':
      label = __('Extra Bold Italic', 'ghostkit');
      break;
    case '900':
      label = __('Black', 'ghostkit');
      break;
    case '900i':
      label = __('Black Italic', 'ghostkit');
      break;
    // no default
  }

  return label;
}

/**
 * Get all font widths.
 *
 * @param {string} font - search font.
 * @param {string} fontFamilyCategory - font fontFamilyCategory.
 * @return {Array} - all font widths.
 */
function getFontWeights(font, fontFamilyCategory) {
  const { fonts } = GHOSTKIT;

  const fontWeights = [];

  if (
    font !== '' &&
    fontFamilyCategory !== '' &&
    typeof font !== 'undefined' &&
    typeof fontFamilyCategory !== 'undefined' &&
    typeof fonts[fontFamilyCategory] !== 'undefined'
  ) {
    Object.keys(fonts[fontFamilyCategory].fonts).forEach((fontKey) => {
      if (fonts[fontFamilyCategory].fonts[fontKey].name === font) {
        Object.keys(fonts[fontFamilyCategory].fonts[fontKey].widths).forEach((widthKey) => {
          const width = fonts[fontFamilyCategory].fonts[fontKey].widths[widthKey];
          fontWeights.push({ value: width, label: getFontWeightLabel(width) });
        });
      }
    });
  }

  return fontWeights;
}

/**
 * Component Class
 */
export default class Typography extends Component {
  render() {
    const { fontFamilyCategory } = this.props;

    const {
      onChange,
      placeholders,
      label,
      fontFamily,
      fontWeight,
      fontSize,
      lineHeight,
      letterSpacing,
      childOf,
      fontWeights = getFontWeights(getDefaultFont(fontFamily), fontFamilyCategory),
    } = this.props;

    const fontsIcon = `icon-typography-${
      fontFamilyCategory === 'default' ? 'google-fonts' : fontFamilyCategory
    }`;
    const allowFontSelectors = applyFilters(
      'ghostkit.typography.allow.fonts',
      fontFamilyCategory !== 'adobe-fonts' && fontFamilyCategory !== 'custom-fonts',
      fontFamilyCategory
    );
    const fontFamilyValue = {
      value: fontFamily,
      label: getDefaultFont(fontFamily),
      fontFamilyCategory,
    };
    const fontWeightValue = { value: fontWeight, label: getFontWeightLabel(fontWeight) };
    const fontSizeValue = typeof fontSize === 'undefined' ? '' : fontSize;
    let fontFamilies;

    if (fontFamilyCategory === 'default') {
      fontFamilies = getFonts('google-fonts');
    } else {
      fontFamilies = getFonts(fontFamilyCategory);
    }

    // Find actual label.
    if (fontFamilyValue.value) {
      fontFamilies.forEach((familyData) => {
        if (fontFamilyValue.value === familyData.value) {
          fontFamilyValue.label = familyData.label;
        }
      });
    }

    return (
      <div
        className={`ghostkit-typography${
          childOf ? ` ghostkit-typography-child ghostkit-typography-child-of-${childOf}` : ''
        }`}
      >
        <h4>{label}</h4>
        <div className="ghostkit-control-typography">
          {typeof fontFamilyCategory !== 'undefined' ? (
            <DropdownMenu
              icon={getIcon(fontsIcon, false)}
              label={__('Font Family Category', 'ghostkit')}
              popoverProps={{
                position: 'bottom right',
              }}
              menuProps={{
                className: 'ghostkit-typography-font-category-control-menu',
              }}
              toggleProps={{
                className: 'ghostkit-typography-font-category-control-toggle',
              }}
              hasArrowIndicator
            >
              {({ onClose }) => (
                <MenuGroup>
                  <MenuItem
                    icon={getIcon('icon-typography-google-fonts', false)}
                    onClick={() => {
                      onChange({
                        fontFamilyCategory: 'google-fonts',
                        fontFamily: '',
                        fontWeight: '',
                      });
                      onClose();
                    }}
                  >
                    {__('Google Fonts', 'ghostkit')}
                  </MenuItem>
                  <MenuItem
                    icon={getIcon('icon-typography-adobe-fonts', false)}
                    onClick={() => {
                      onChange({
                        fontFamilyCategory: 'adobe-fonts',
                        fontFamily: '',
                        fontWeight: '',
                      });
                      onClose();
                    }}
                  >
                    {__('Adobe Fonts', 'ghostkit')}
                    <span className="ghostkit-typography-badge-pro">
                      {__('PRO', 'ghostkit')}
                    </span>
                  </MenuItem>
                  <MenuItem
                    icon={getIcon('icon-typography-custom-fonts', false)}
                    onClick={() => {
                      onChange({
                        fontFamilyCategory: 'custom-fonts',
                        fontFamily: '',
                        fontWeight: '',
                      });
                      onClose();
                    }}
                  >
                    {__('Custom Fonts', 'ghostkit')}
                    <span className="ghostkit-typography-badge-pro">
                      {__('PRO', 'ghostkit')}
                    </span>
                  </MenuItem>
                </MenuGroup>
              )}
            </DropdownMenu>
          ) : (
            ''
          )}
          <ApplyFilters name="ghostkit.typography.fontFamilySelector.info" props={this.props}>
            {fontFamilyCategory === 'adobe-fonts' ? (
              <div className="ghostkit-typography-information-control ghostkit-typography-font-control">
                {__(
                  'Adobe Fonts available for Pro users only. Read more about Ghost Kit Pro plugin here - ',
                  'ghostkit'
                )}
                <ExternalLink href="https://ghostkit.io/pricing/?utm_source=plugin&utm_medium=settings&utm_campaign=adobe_fonts&utm_content=2.25.0">
                  https://ghostkit.io/pricing/
                </ExternalLink>
              </div>
            ) : (
              ''
            )}
            {fontFamilyCategory === 'custom-fonts' ? (
              <div className="ghostkit-typography-information-control ghostkit-typography-font-control">
                {__(
                  'Custom Fonts available for Pro users only. Read more about Ghost Kit Pro plugin here - ',
                  'ghostkit'
                )}
                <ExternalLink href="https://ghostkit.io/pricing/?utm_source=plugin&utm_medium=settings&utm_campaign=custom_fonts&utm_content=2.25.0">
                  https://ghostkit.io/pricing/
                </ExternalLink>
              </div>
            ) : (
              ''
            )}
          </ApplyFilters>
          {typeof fontFamily !== 'undefined' && allowFontSelectors ? (
            <div className="ghostkit-typography-font-control">
              <Tooltip text={__('Font Family', 'ghostkit')}>
                <div>
                  <Select
                    value={fontFamilyValue}
                    onChange={(opt) => {
                      onChange({
                        fontFamily: opt && opt.value ? opt.value : '',
                        fontWeight: opt && opt.value ? '400' : '',
                      });
                    }}
                    options={fontFamilies}
                    placeholder={__('--- Select Font Family ---', 'ghostkit')}
                    className="ghostkit-typography-font-selector"
                    menuPosition="fixed"
                  />
                </div>
              </Tooltip>
            </div>
          ) : (
            ''
          )}
          {typeof fontWeight !== 'undefined' && allowFontSelectors ? (
            <div className="ghostkit-typography-weight-control">
              <Tooltip text={__('Font Weight', 'ghostkit')}>
                <div>
                  <Select
                    value={fontWeightValue}
                    onChange={(opt) => {
                      onChange({
                        fontWeight: opt && opt.value ? opt.value : '',
                      });
                    }}
                    options={fontWeights}
                    placeholder={__('--- Select Weight ---', 'ghostkit')}
                    className="ghostkit-typography-weight-selector"
                    classNamePrefix="ghostkit-typography-weight-selector"
                    menuPosition="fixed"
                  />
                </div>
              </Tooltip>
            </div>
          ) : (
            ''
          )}
          {typeof fontSize !== 'undefined' ? (
            <div className="ghostkit-typography-size-control">
              <Tooltip text={__('Font Size', 'ghostkit')}>
                <div>
                  <InputDrag
                    value={fontSizeValue}
                    placeholder={placeholders['font-size']}
                    onChange={(value) => {
                      onChange({
                        fontSize: value,
                      });
                    }}
                    autoComplete="off"
                    icon={getIcon('icon-typography-font-size')}
                    defaultUnit="px"
                  />
                </div>
              </Tooltip>
            </div>
          ) : (
            ''
          )}
          {typeof lineHeight !== 'undefined' ? (
            <div className="ghostkit-typography-line-control">
              <Tooltip text={__('Line Height', 'ghostkit')}>
                <div>
                  <InputDrag
                    value={lineHeight}
                    placeholder={placeholders['line-height']}
                    onChange={(value) => {
                      onChange({
                        lineHeight: value,
                      });
                    }}
                    autoComplete="off"
                    icon={getIcon('icon-typography-line-height')}
                    step={0.1}
                  />
                </div>
              </Tooltip>
            </div>
          ) : (
            ''
          )}
          {typeof letterSpacing !== 'undefined' ? (
            <div className="ghostkit-typography-letter-control">
              <Tooltip text={__('Letter Spacing', 'ghostkit')}>
                <div>
                  <InputDrag
                    value={letterSpacing}
                    placeholder={placeholders['letter-spacing']}
                    onChange={(value) => {
                      onChange({
                        letterSpacing: value,
                      });
                    }}
                    autoComplete="off"
                    icon={getIcon('icon-typography-letter-spacing')}
                    defaultUnit="em"
                    step={0.01}
                  />
                </div>
              </Tooltip>
            </div>
          ) : (
            ''
          )}
        </div>
      </div>
    );
  }
}