let bench = [ 
  ['tag', 'image'];
  # ['simple-dockerfile', 'react-simple',
  # ['multi-stage-dockerfile', 'react-multistage'],
  # ['node-alpine-dockerfile', 'react-multistage-alpine'],
  # ['nginx-dockerfile', 'react-nginx'],
  # ['nginx-alpine-dockerfile', 'react-nginx-alpine'],
  # ['bun-rspack-dockerfile', 'react-bun-rspack'],
  ['nginx-distroless-dockerfile', 'react-nginx-distroless']
]

for entry in $bench {
  echo $'Switching to branch ($entry.tag)'
  echo ''
  git checkout $entry.tag
  docker build -t $entry.image .
}

mut benchmark: table<tag: string, image: string, image_size: string, median_time: duration, max_time: duration, min_time: duration, total_time: duration, max_space: string, benchmark_size: int> = []

git checkout main
for entry: record<tag: string, image:string> in $bench {
  mut sum = 0ns
  mut max = 0ns
  mut min = 0ns

  let filename = './build_results' + $entry.tag + '.csv'

  let bench_res = open $filename
  let $benchmark_size = $bench_res | length
  for res in $bench_res {
    let time = $res | get time | into duration
    $sum += $time 
    if $max == 0ns or $time >= $max {
      $max = $time
    }
    if $min == 0ns or $time <= $min {
      $min = $time
    }
  }
  let image_size = docker image ls $entry.image | from ssv | get 0 | get SIZE | into filesize
  let row table<tag: string, image: string, 'image size': string, median_time: duration, max_time: duration, min_time: duration, total_time: duration, benchmark_size: int> = [
      ['tag', 'image', 'image_size', 'median_time', 'max_time', 'min_time', 'total_time', 'max_size', 'benchmark_size'];
      [$'($entry.tag)', $'($entry.image)', $image_size, ($sum / $benchmark_size), $max, $min, $sum, ($image_size * $benchmark_size), $benchmark_size]
    ]
  $benchmark = ($benchmark ++ $row)
}

$benchmark | to md --pretty | save -f benchmark.md

# git add .
# git commit -m $"updated README for benchmarks (date now | format date '%+') [CI SKIP]"
# git push