const bullishMachineConfig = {
  initial: 'findingStock',

  on: {
    MARKET_TRENDING_DOWN: 'bearish',
    MARKET_TRENDING_SIDEWAYS: 'evaluatingGeneralMarket',
  },

  states: {
    findingStock: {
      on: {
        STOCK_FOUND: 'watchingForEntrySignal',
      }
    },

    watchingForEntrySignal: {
      on: {
        STOCK_DEVIATES_FROM_MARKET: 'findingStock',
        NO_SIGNAL: 'watchingForEntrySignal',
        WPR_ENTERS_OVERSOLD: 'watchingForEntryConfirmation'
      }
    },

    watchingForEntryConfirmation: {
      on: {
        STOCK_DEVIATES_FROM_MARKET: 'findingStock',
        NO_CONFIRMATION: 'watchingForEntryConfirmation',
        MAX_CONFIRMATION_PERIOD_EXCEEDED: 'watchingForEntrySignal',
        STOCK_CLOSES_ABOVE_7_DMA: {
          target: 'watchingForFollowThroughRules',
          cond: '7dmaIsAbove30dma',
        }
      }
    },

    watchingForFollowThroughRules: {
      entry: 'waitOneDay',

      on: {
        STOCK_DEVIATES_FROM_MARKET: 'findingStock',
        NO_FOLLOW_THROUGH: 'watchingForFollowThroughRules',
        MAX_FOLLOW_THROUGH_PERIOD_EXCEEDED: 'watchingForEntrySignal',
        STOCK_CLOSES_ABOVE_PREVIOUS_DAYS_CLOSE: 'tradePlaced'
      }
    },

    tradePlaced: {},
  }
};

const bearishMachineConfig = {
  initial: 'findingStock',

  on: {
    MARKET_TRENDING_UP: 'bullish',
    MARKET_TRENDING_SIDEWAYS: 'evaluatingGeneralMarket',
  },

  states: {
    findingStock: {},

    watchingForEntrySignal: {},

    watchingForEntryConfirmation: {},

    watchingForFollowThroughRules: {},

    tradePlaced: {},
  }
};

const prMachine = Machine({
  id: 'pr-machine',

  initial: 'evaluatingGeneralMarket',

  states: {
    evaluatingGeneralMarket: {
      on: {
        MARKET_TRENDING_UP: 'bullish',
        MARKET_TRENDING_DOWN: 'bearish',
        MARKET_TRENDING_SIDEWAYS: 'evaluatingGeneralMarket',
      }
    },

    bullish: {
      ...bullishMachineConfig,
    },

    bearish: {
      ...bearishMachineConfig,
    },
  }
});