/* 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/>. */

import React, { Component } from "devtools/client/shared/vendor/react";
import {
  br,
  button,
  div,
  input,
  li,
  ul,
} from "devtools/client/shared/vendor/react-dom-factories";
import PropTypes from "devtools/client/shared/vendor/react-prop-types";

const Reps = ChromeUtils.importESModule(
  "resource://devtools/client/shared/components/reps/index.mjs"
);
const {
  REPS: { Rep },
  MODE,
} = Reps;
import { translateNodeFrontToGrip } from "devtools/client/inspector/shared/utils";

import {
  deleteDOMMutationBreakpoint,
  toggleDOMMutationBreakpointState,
} from "devtools/client/framework/actions/index";

import actions from "../../actions/index";
import { connect } from "devtools/client/shared/vendor/react-redux";

import CloseButton from "devtools/client/shared/components/CloseButton";

const localizationTerms = {
  subtree: L10N.getStr("domMutationTypes.subtree"),
  attribute: L10N.getStr("domMutationTypes.attribute"),
  removal: L10N.getStr("domMutationTypes.removal"),
};

class DOMMutationBreakpointsContents extends Component {
  static get propTypes() {
    return {
      breakpoints: PropTypes.array.isRequired,
      deleteBreakpoint: PropTypes.func.isRequired,
      highlightDomElement: PropTypes.func.isRequired,
      openElementInInspector: PropTypes.func.isRequired,
      openInspector: PropTypes.func.isRequired,
      setSkipPausing: PropTypes.func.isRequired,
      toggleBreakpoint: PropTypes.func.isRequired,
      unHighlightDomElement: PropTypes.func.isRequired,
    };
  }

  handleBreakpoint(breakpointId, shouldEnable) {
    const { toggleBreakpoint, setSkipPausing } = this.props;

    // The user has enabled a mutation breakpoint so we should no
    // longer skip pausing
    if (shouldEnable) {
      setSkipPausing(false);
    }
    toggleBreakpoint(breakpointId, shouldEnable);
  }

  renderItem(breakpoint) {
    const {
      openElementInInspector,
      highlightDomElement,
      unHighlightDomElement,
      deleteBreakpoint,
    } = this.props;
    const { enabled, id: breakpointId, nodeFront, mutationType } = breakpoint;

    return li(
      {
        key: breakpoint.id,
      },
      input({
        type: "checkbox",
        checked: enabled,
        onChange: () => this.handleBreakpoint(breakpointId, !enabled),
      }),
      div(
        {
          className: "dom-mutation-info",
        },
        div(
          {
            className: "dom-mutation-label",
          },
          Rep({
            object: translateNodeFrontToGrip(nodeFront),
            mode: MODE.TINY,
            onDOMNodeClick: () => openElementInInspector(nodeFront),
            onInspectIconClick: () => openElementInInspector(nodeFront),
            onDOMNodeMouseOver: () => highlightDomElement(nodeFront),
            onDOMNodeMouseOut: () => unHighlightDomElement(),
          })
        ),
        div(
          {
            className: "dom-mutation-type",
          },
          localizationTerms[mutationType] || mutationType
        )
      ),
      React.createElement(CloseButton, {
        handleClick: () => deleteBreakpoint(nodeFront, mutationType),
      })
    );
  }

  renderEmpty() {
    const { openInspector } = this.props;
    return div(
      {
        className: "dom-mutation-empty",
      },
      L10N.getStr("noDomMutationBreakpoints.notice"),
      br(),
      button(
        {
          className: "devtools-button devtools-button-standalone",
          onClick: () => openInspector(),
        },
        L10N.getStr("noDomMutationBreakpoints.openInspectorButton")
      )
    );
  }

  render() {
    const { breakpoints } = this.props;

    if (breakpoints.length === 0) {
      return this.renderEmpty();
    }
    return ul(
      {
        className: "dom-mutation-list",
      },
      breakpoints.map(breakpoint => this.renderItem(breakpoint))
    );
  }
}

const mapStateToProps = state => ({
  breakpoints: state.domMutationBreakpoints.breakpoints,
});

const DOMMutationBreakpointsPanel = connect(
  mapStateToProps,
  {
    deleteBreakpoint: deleteDOMMutationBreakpoint,
    toggleBreakpoint: toggleDOMMutationBreakpointState,
  },
  undefined,
  { storeKey: "toolbox-store" }
)(DOMMutationBreakpointsContents);

class DomMutationBreakpoints extends Component {
  static get propTypes() {
    return {
      highlightDomElement: PropTypes.func.isRequired,
      openElementInInspector: PropTypes.func.isRequired,
      openInspector: PropTypes.func.isRequired,
      setSkipPausing: PropTypes.func.isRequired,
      unHighlightDomElement: PropTypes.func.isRequired,
    };
  }

  render() {
    return React.createElement(DOMMutationBreakpointsPanel, {
      openElementInInspector: this.props.openElementInInspector,
      highlightDomElement: this.props.highlightDomElement,
      unHighlightDomElement: this.props.unHighlightDomElement,
      setSkipPausing: this.props.setSkipPausing,
      openInspector: this.props.openInspector,
    });
  }
}

export default connect(undefined, {
  // the debugger-specific action bound to the debugger store
  // since there is no `storeKey`
  openElementInInspector: actions.openElementInInspectorCommand,
  highlightDomElement: actions.highlightDomElement,
  unHighlightDomElement: actions.unHighlightDomElement,
  setSkipPausing: actions.setSkipPausing,
  openInspector: actions.openInspector,
})(DomMutationBreakpoints);
