/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

goog.module('Blockly.test.helpers.blockDefinitions');


function defineStackBlock(name = 'stack_block') {
  Blockly.defineBlocksWithJsonArray([{
    "type": name,
    "message0": "",
    "previousStatement": null,
    "nextStatement": null,
  }]);
}
exports.defineStackBlock = defineStackBlock;

function defineRowBlock(name = 'row_block') {
  Blockly.defineBlocksWithJsonArray([{
    "type": name,
    "message0": "%1",
    "args0": [
      {
        "type": "input_value",
        "name": "INPUT",
      },
    ],
    "output": null,
  }]);
}
exports.defineRowBlock = defineRowBlock;

function defineStatementBlock(name = 'statement_block') {
  Blockly.defineBlocksWithJsonArray([{
    "type": name,
    "message0": "%1",
    "args0": [
      {
        "type": "input_statement",
        "name": "NAME",
      },
    ],
    "previousStatement": null,
    "nextStatement": null,
    "colour": 230,
    "tooltip": "",
    "helpUrl": "",
  }]);
}
exports.defineStatementBlock = defineStatementBlock;

function defineBasicBlockWithField(name = 'test_field_block') {
  Blockly.defineBlocksWithJsonArray([{
    "type": name,
    "message0": "%1",
    "args0": [
      {
        "type": "field_input",
        "name": "NAME",
      },
    ],
    "output": null,
  }]);
}
exports.defineBasicBlockWithField = defineBasicBlockWithField;

function defineMutatorBlocks() {
  Blockly.defineBlocksWithJsonArray([
    {
      'type': 'xml_block',
      'mutator': 'xml_mutator',
    },
    {
      'type': 'jso_block',
      'mutator': 'jso_mutator',
    },
    {
      'type': 'checkbox_block',
      'message0': '%1',
      'args0': [
        {
          'type': 'field_checkbox',
          'name': 'CHECK',
        },
      ],
    },
  ]);

  const xmlMutator = {
    hasInput: false,

    mutationToDom: function() {
      const mutation = Blockly.utils.xml.createElement('mutation');
      mutation.setAttribute('hasInput', this.hasInput);
      return mutation;
    },

    domToMutation: function(mutation) {
      this.hasInput = mutation.getAttribute('hasInput') == 'true';
      this.updateShape();
    },

    decompose: function(workspace) {
      const topBlock = workspace.newBlock('checkbox_block', 'check_block');
      topBlock.initSvg();
      topBlock.render();
      return topBlock;
    },

    compose: function(topBlock) {
      this.hasInput = topBlock.getFieldValue('CHECK') == 'TRUE';
      this.updateShape();
    },

    updateShape: function() {
      if (this.hasInput && !this.getInput('INPUT')) {
        this.appendValueInput('INPUT');
      } else if (!this.hasInput && this.getInput('INPUT')) {
        this.removeInput('INPUT');
      }
    },
  };
  Blockly.Extensions.registerMutator('xml_mutator', xmlMutator);

  const jsoMutator = {
    hasInput: false,

    saveExtraState: function() {
      return {hasInput: this.hasInput};
    },

    loadExtraState: function(state) {
      this.hasInput = state.hasInput || false;
      this.updateShape();
    },

    decompose: function(workspace) {
      const topBlock = workspace.newBlock('checkbox_block', 'check_block');
      topBlock.initSvg();
      topBlock.render();
      return topBlock;
    },

    compose: function(topBlock) {
      this.hasInput = topBlock.getFieldValue('CHECK') == 'TRUE';
      this.updateShape();
    },

    updateShape: function() {
      if (this.hasInput && !this.getInput('INPUT')) {
        this.appendValueInput('INPUT');
      } else if (!this.hasInput && this.getInput('INPUT')) {
        this.removeInput('INPUT');
      }
    },
  };
  Blockly.Extensions.registerMutator('jso_mutator', jsoMutator);
}
exports.defineMutatorBlocks = defineMutatorBlocks;

function createTestBlock() {
  return {
    'id': 'test',
    'rendered': false,
    'workspace': {
      'rendered': false,
    },
    'isShadow': function() {
      return false;
    },
    'renameVarById': Blockly.Block.prototype.renameVarById,
    'updateVarName': Blockly.Block.prototype.updateVarName,
  };
}
exports.createTestBlock = createTestBlock;

function createRenderedBlock(workspaceSvg, type) {
  const block = workspaceSvg.newBlock(type);
  block.initSvg();
  block.render();
  return block;
}
exports.createRenderedBlock = createRenderedBlock;