function createPartFromNode (node, parentNode, chainParent) {
  switch (node.type) {
    case 'Condition':
      {
        let condition = node
        createPart('Condition', condition.name, condition, parentNode, chainParent, 'Condition')
        return
      }
    case 'Situation': {
      let situation = node
      createPart('Situation', situation.name, situation, parentNode, chainParent, 'Situation')
      for (let m = 0; m < node.conditions.length; m++) {
        let condition = node.conditions[m]
        createPartFromNode(condition, situation, situation)
      }
      return
    }
    case 'Phase': {
      let phase = node
      createPart('Phase', phase.name, phase, parentNode, chainParent, phase.subType)
      for (let m = 0; m < node.situations.length; m++) {
        let situation = node.situations[m]
        createPartFromNode(situation, phase, phase)
      }
      return
    }
    case 'Stop': {
      let lastPhase
      let stop = node
      createPart('Stop', stop.name, stop, parentNode, chainParent, 'Stop')
      for (let m = 0; m < node.phases.length; m++) {
        let phase = node.phases[m]
        let thisChainParent
        if (m === 0) {
          thisChainParent = node
        } else {
          thisChainParent = lastPhase
        }
        lastPhase = phase
        createPartFromNode(phase, stop, thisChainParent)
      }
      return
    }
    case 'Take Profit': {
      let lastPhase
      let takeProfit = node
      createPart('Take Profit', takeProfit.name, takeProfit, parentNode, chainParent, 'Take Profit')
      for (let m = 0; m < node.phases.length; m++) {
        let phase = node.phases[m]
        let thisChainParent
        if (m === 0) {
          thisChainParent = node
        } else {
          thisChainParent = lastPhase
        }
        lastPhase = phase
        createPartFromNode(phase, takeProfit, thisChainParent)
      }
      return
    }
    case 'Initial Definition': {
      createPart('Initial Definition', node.name, node, parentNode, chainParent, 'Initial Definition')
      return
    }
    case 'Take Position Event': {
      let event = node
      createPart('Take Position Event', event.name, event, parentNode, chainParent, 'Take Position Event')
      for (let m = 0; m < node.situations.length; m++) {
        let situation = node.situations[m]
        createPartFromNode(situation, event, event)
      }
      return
    }
    case 'Trigger On Event': {
      let event = node
      createPart('Trigger On Event', event.name, event, parentNode, chainParent, 'Trigger On Event')
      for (let m = 0; m < node.situations.length; m++) {
        let situation = node.situations[m]
        createPartFromNode(situation, event, event)
      }
      return
    }
    case 'Trigger Off Event': {
      let event = node
      createPart('Trigger Off Event', event.name, event, parentNode, chainParent, 'Trigger Off Event')
      for (let m = 0; m < node.situations.length; m++) {
        let situation = node.situations[m]
        createPartFromNode(situation, event, event)
      }
      return
    }
    case 'Trigger Stage': {
      let stage = node
      createPart('Trigger Stage', stage.name, stage, parentNode, chainParent, 'Trigger Stage')

      if (node.entryPoint !== undefined) {
        createPartFromNode(node.entryPoint, stage, stage)
      }
      if (node.exitPoint !== undefined) {
        createPartFromNode(node.exitPoint, stage, stage)
      }
      if (node.sellPoint !== undefined) {
        createPartFromNode(node.sellPoint, stage, stage)
      }
      return
    }
    case 'Open Stage': {
      let stage = node
      createPart('Open Stage', stage.name, stage, parentNode, chainParent, 'Open Stage')

      if (node.initialDefinition !== undefined) {
        createPartFromNode(node.initialDefinition, stage, stage)
      }
      return
    }
    case 'Manage Stage': {
      let stage = node
      createPart('Manage Stage', stage.name, stage, parentNode, chainParent, 'Manage Stage')

      if (node.stopLoss !== undefined) {
        createPartFromNode(node.stopLoss, stage, stage)
      }
      if (node.buyOrder !== undefined) {
        createPartFromNode(node.buyOrder, stage, stage)
      }
      return
    }
    case 'Close Stage': {
      let stage = node
      createPart('Close Stage', stage.name, stage, parentNode, chainParent, 'Close Stage')
      return
    }
    case 'Strategy': {
      let strategy = node
      createPart('Strategy', strategy.name, strategy, parentNode, chainParent, 'Strategy')
      if (node.triggerStage !== undefined) {
        createPartFromNode(node.triggerStage, strategy, strategy)
      }
      if (node.openStage !== undefined) {
        createPartFromNode(node.openStage, strategy, strategy)
      }
      if (node.manageStage !== undefined) {
        createPartFromNode(node.manageStage, strategy, strategy)
      }
      if (node.closeStage !== undefined) {
        createPartFromNode(node.closeStage, strategy, strategy)
      }
      return
    }
    case 'Trading System': {
      let tradingSystem = node
      createPart('Trading System', tradingSystem.name, tradingSystem, parentNode, chainParent, 'Trading System')
      for (let m = 0; m < node.strategies.length; m++) {
        let strategy = node.strategies[m]
        createPartFromNode(strategy, tradingSystem, tradingSystem)
      }
      return
    }
  }
}

function createPart (partType, name, node, parentNode, chainParent, title) {
  let payload = {}

  if (name === '' || name === undefined) { name = 'My ' + partType }
  if (node.savedPayload !== undefined) {
    payload.targetPosition = {
      x: node.savedPayload.targetPosition.x,
      y: node.savedPayload.targetPosition.y
    }
    node.savedPayload.targetPosition = undefined
  } else {
    if (chainParent === undefined) {
      payload.targetPosition = {
        x: spawnPosition.x,
        y: spawnPosition.y
      }
    } else {
      payload.targetPosition = {
        x: chainParent.payload.position.x,
        y: chainParent.payload.position.y
      }
    }
  }

  if (title !== undefined) {
    payload.subTitle = title
  } else {
    payload.subTitle = partType
  }

  payload.visible = true
  payload.title = name
  payload.node = node
  payload.parentNode = parentNode
  payload.chainParent = chainParent
  payload.onMenuItemClick = onMenuItemClick

  if (node.id === undefined) {
    node.id = newUniqueId()
  }
  node.payload = payload
  node.type = partType
  canvas.floatingSpace.strategyPartConstructor.createStrategyPart(payload)
}