import { Center, Title } from '@mantine/core'
import { IconCircleCheck, IconAlertCircle } from '@tabler/icons-react'

export default function OverallStatus({ state }: { state: { overallUp: number, overallDown: number, lastUpdate: number }}) {

  let statusString = ''
  let icon = <IconAlertCircle style={{ width: 64, height: 64, color: '#b91c1c' }} />
  if (state.overallUp === 0 && state.overallDown === 0) {
    statusString = 'No data yet'
  } else if (state.overallUp === 0) {
    statusString = 'All systems not operational'
  } else if (state.overallDown === 0) {
    statusString = 'All systems operational'
    icon = <IconCircleCheck style={{ width: 64, height: 64, color: '#059669' }} />
  } else {
    statusString = `Some systems not operational (${state.overallDown} out of ${state.overallUp + state.overallDown})`
  }

  return (<>
    <Center>
      {icon}
    </Center>
    <Title mt="sm" style={{ textAlign: 'center' }} order={1}>{statusString}</Title>
    <Title mt="sm" style={{ textAlign: 'center', color: '#70778c' }} order={5}>Last updated on: {new Date(state.lastUpdate * 1000).toLocaleString()} ({Math.round(Date.now() / 1000) - state.lastUpdate} sec ago)</Title>
  </>)
}