// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import {Button, FloatingButton} from './buttons.js';

export function render(container: HTMLElement) {
  const buttonDocs = container.createChild('div', 'button-docs');
  const style = document.createElement('style');
  style.textContent = `
      .button-docs > div {
        width: 80%;
        padding: var(--sys-size-11);
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: var(--sys-size-5);
      }
    `;
  buttonDocs.appendChild(style);

  const appendSection = (headerText: string, sectionElement: HTMLElement) => {
    const header = document.createElement('header');
    header.textContent = headerText;
    buttonDocs.appendChild(header);
    buttonDocs.appendChild(sectionElement);
  };

  const buttonsSection = document.createElement('div');
  const primarySection = document.createElement('div');
  const tonalSection = document.createElement('div');
  const outlineSection = document.createElement('div');
  const textSection = document.createElement('div');
  const iconSection = document.createElement('div');
  const floatingSection = document.createElement('div');

  appendSection('Buttons', buttonsSection);
  appendSection('Primary buttons', primarySection);
  appendSection('Tonal buttons', tonalSection);
  appendSection('Outlined buttons', outlineSection);
  appendSection('Text buttons', textSection);
  appendSection('Icon buttons', iconSection);
  appendSection('Floating buttons', floatingSection);

  const DEFAULT_TEXT = 'Default';
  const WITH_ICON_TEXT = 'With icon';
  const MICRO_TEXT = 'Micro';
  // Buttons
  {
    const primaryButton = new Button.Button();
    primaryButton.data = {
      variant: Button.Variant.PRIMARY,
    };
    primaryButton.innerText = 'Primary button';
    buttonsSection.appendChild(primaryButton);

    const tonalButton = new Button.Button();
    tonalButton.data = {
      variant: Button.Variant.TONAL,
    };
    tonalButton.innerText = 'Tonal button';
    buttonsSection.appendChild(tonalButton);

    const outlinedButton = new Button.Button();
    outlinedButton.data = {
      variant: Button.Variant.OUTLINED,
    };
    outlinedButton.innerText = 'Outlined button';
    buttonsSection.appendChild(outlinedButton);

    const textButton = new Button.Button();
    textButton.data = {
      variant: Button.Variant.TEXT,
    };
    textButton.innerText = 'Text button';
    buttonsSection.appendChild(textButton);

    const iconButton = new Button.Button();
    iconButton.data = {
      variant: Button.Variant.ICON,
      iconName: 'gear',
    };
    buttonsSection.appendChild(iconButton);
  }

  // Primary buttons
  {
    const primaryDefault = new Button.Button();
    primaryDefault.data = {
      variant: Button.Variant.PRIMARY,
    };
    primaryDefault.innerText = DEFAULT_TEXT;
    primarySection.appendChild(primaryDefault);

    const primaryWithIcon = new Button.Button();
    primaryWithIcon.innerText = WITH_ICON_TEXT;
    primaryWithIcon.data = {
      variant: Button.Variant.PRIMARY,
      iconName: 'plus',
    };
    primarySection.appendChild(primaryWithIcon);
  }

  // Tonal buttons
  {
    const tonalDefault = new Button.Button();
    tonalDefault.data = {
      variant: Button.Variant.TONAL,
    };
    tonalDefault.innerText = DEFAULT_TEXT;
    tonalSection.appendChild(tonalDefault);

    const tonalWithIcon = new Button.Button();
    tonalWithIcon.innerText = WITH_ICON_TEXT;

    tonalWithIcon.data = {
      variant: Button.Variant.PRIMARY,
      iconName: 'plus',
    };
    tonalSection.appendChild(tonalWithIcon);
  }

  // Outlined buttons
  {
    const outlinedDefault = new Button.Button();
    outlinedDefault.data = {
      variant: Button.Variant.OUTLINED,
    };
    outlinedDefault.innerText = DEFAULT_TEXT;
    outlineSection.appendChild(outlinedDefault);

    const outlinedWithIcon = new Button.Button();
    outlinedWithIcon.innerText = WITH_ICON_TEXT;
    outlinedWithIcon.data = {
      variant: Button.Variant.OUTLINED,
      iconName: 'plus',
    };
    outlineSection.appendChild(outlinedWithIcon);

    const outlinedMicro = new Button.Button();
    outlinedMicro.innerText = MICRO_TEXT;
    outlinedMicro.data = {
      variant: Button.Variant.OUTLINED,
      size: Button.Size.MICRO,
    };
    outlineSection.appendChild(outlinedMicro);
  }

  // Text buttons
  {
    const textDefault = new Button.Button();
    textDefault.innerText = DEFAULT_TEXT;
    textDefault.data = {
      variant: Button.Variant.TEXT,
    };
    textSection.appendChild(textDefault);

    const textWithIcon = new Button.Button();
    textWithIcon.innerText = WITH_ICON_TEXT;

    textWithIcon.data = {
      variant: Button.Variant.TEXT,
      iconName: 'plus',
    };
    textSection.appendChild(textWithIcon);
  }

  // Icon buttons
  {
    const iconDefault = new Button.Button();
    iconDefault.data = {
      variant: Button.Variant.ICON,
      iconName: 'gear',
    };
    iconSection.appendChild(iconDefault);

    const iconToggle = new Button.Button();
    iconToggle.data = {
      variant: Button.Variant.ICON_TOGGLE,
      iconName: 'gear',
      toggledIconName: 'gear',
      toggled: true,
      toggleType: Button.ToggleType.PRIMARY,
    };
    const toggledWithLabel = document.createElement('span');
    toggledWithLabel.textContent = '(Toggle)';
    iconSection.appendChild(iconToggle);
    iconSection.appendChild(toggledWithLabel);
  }

  // Floating buttons
  {
    const floatingButton = FloatingButton.create('smart-assistant', 'Ask AI!');
    floatingSection.appendChild(floatingButton);
  }
}