import { computed, reactive, readonly } from 'vue'

//CONSTANTS
const TVA = 8.5

//STATE
const state = reactive({
  count: 0
})

//COMPUTED
const ttc = computed(() => (state.count * (100 + TVA)) / 100)

//ARROW FUNCTION
const inc = (amount: number): number => {
  return (state.count += amount)
}

//STANDARD FUNCTION
function reset(): number {
  return (state.count = 0)
}

export default { state: readonly(state), ttc, inc, reset }