<template>
  <CChartBar
    :datasets="computedDatasets"
    :options="computedOptions"
    :labels="labels"
  />
</template>

<script>
import { CChartBar } from '@coreui/coreui-vue-chartjs'
import { getColor, deepObjectsMerge } from '@coreui/coreui/dist/js/coreui-utilities'
export default {
  name: 'CChartBarSimple',
  components: { CChartBar },
  props: {
    ...CChartBar.props,
    backgroundColor: {
      type: String,
      default: 'rgba(0,0,0,.2)'
    },
    pointHoverBackgroundColor: String,
    dataPoints: {
      type: Array,
      default: () => [10, 22, 34, 46, 58, 70, 46, 23, 45, 78, 34, 12]
    },
    label: {
      type: String,
      default: 'Sales'
    },
    pointed: Boolean
  },
  computed: {
    defaultDatasets () {
      return [
        {
          data: this.dataPoints,
          backgroundColor: getColor(this.backgroundColor),
          pointHoverBackgroundColor: getColor(this.pointHoverBackgroundColor),
          label: this.label
        }
      ]
    },
    defaultOptions () {
      return {
        maintainAspectRatio: false,
        legend: {
          display: false
        },
        scales: {
          xAxes: [{
            display: false,
            categoryPercentage: 1,
            barPercentage: 0.5
          }],
          yAxes: [{
            display: false
          }]
        }
      }
    },
    computedDatasets () {
      return deepObjectsMerge(this.defaultDatasets, this.datasets || {})
    },
    computedOptions () {
      return deepObjectsMerge(this.defaultOptions, this.options || {})
    }
  }
}
</script>
