/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// @ts-check

/**
 * @template P
 * @typedef {import("react-redux").ResolveThunks<P>} ResolveThunks<P>
 */

"use strict";
const {
  PureComponent,
  createElement,
  createFactory,
  Fragment,
} = require("resource://devtools/client/shared/vendor/react.js");
const {
  div,
  label,
  input,
} = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
const selectors = require("resource://devtools/client/performance-new/store/selectors.js");
const actions = require("resource://devtools/client/performance-new/store/actions.js");
const {
  connect,
} = require("resource://devtools/client/shared/vendor/react-redux.js");

const Localized = createFactory(
  require("resource://devtools/client/shared/vendor/fluent-react.js").Localized
);

/**
 * @typedef {Object} PresetProps
 * @property {string} presetName
 * @property {boolean} selected
 * @property {import("../../@types/perf").PresetDefinition | null} preset
 * @property {(presetName: string) => void} onChange
 */

/**
 * Switch between various profiler presets, which will override the individualized
 * settings for the profiler.
 *
 * @extends {React.PureComponent<PresetProps>}
 */
class Preset extends PureComponent {
  /**
   * Handle the checkbox change.
   * @param {React.ChangeEvent<HTMLInputElement>} event
   */
  onChange = event => {
    this.props.onChange(event.target.value);
  };

  render() {
    const { preset, presetName, selected } = this.props;
    const presetLabelAndDescription = preset
      ? createElement(
          Fragment,
          null,
          Localized(
            { id: preset.l10nIds.devtools.label },
            div({ className: "perf-toggle-text-label" })
          ),
          Localized(
            { id: preset.l10nIds.devtools.description },
            div({ className: "perf-toggle-description" })
          )
        )
      : Localized(
          { id: "perftools-presets-custom-label" },
          div({ className: "perf-toggle-text-label" }, "Custom")
        );

    return label(
      { className: "perf-toggle-label" },
      input({
        className: "perf-presets-radio-button",
        type: "radio",
        name: "presets",
        value: presetName,
        checked: selected,
        onChange: this.onChange,
      }),
      presetLabelAndDescription
    );
  }
}

/**
 * @typedef {Object} StateProps
 * @property {string} selectedPresetName
 * @property {import("../../@types/perf").Presets} presets
 */

/**
 * @typedef {Object} ThunkDispatchProps
 * @property {typeof actions.changePreset} changePreset
 */

/**
 * @typedef {ResolveThunks<ThunkDispatchProps>} DispatchProps
 * @typedef {StateProps & DispatchProps} Props
 * @typedef {import("../../@types/perf").State} StoreState
 */

/**
 * Switch between various profiler presets, which will override the individualized
 * settings for the profiler.
 *
 * @extends {React.PureComponent<Props>}
 */
class Presets extends PureComponent {
  /**
   * Handle the checkbox change.
   * @param {string} presetName
   */
  onChange = presetName => {
    const { presets } = this.props;
    this.props.changePreset(presets, presetName);
  };

  render() {
    const { presets, selectedPresetName } = this.props;

    return div(
      { className: "perf-presets" },
      Object.entries(presets).map(([presetName, preset]) =>
        createElement(Preset, {
          key: presetName,
          presetName,
          preset,
          selected: presetName === selectedPresetName,
          onChange: this.onChange,
        })
      ),
      createElement(Preset, {
        key: "custom",
        presetName: "custom",
        selected: selectedPresetName == "custom",
        preset: null,
        onChange: this.onChange,
      })
    );
  }
}

/**
 * @param {StoreState} state
 * @returns {StateProps}
 */
function mapStateToProps(state) {
  return {
    selectedPresetName: selectors.getPresetName(state),
    presets: selectors.getPresets(state),
  };
}

/**
 * @type {ThunkDispatchProps}
 */
const mapDispatchToProps = {
  changePreset: actions.changePreset,
};

module.exports = connect(mapStateToProps, mapDispatchToProps)(Presets);