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_build_time: duration, max_build_time: duration, min_build_time: duration, total_build_time: duration, max_size: string, build_benchmark_size: int, median_startup_time: duration, max_startup_time: duration, min_startup_time: duration, total_startup_time: duration, startup_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 build_filename = './build_results/' + $entry.tag + '.csv'

  let bench_res = open $build_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 startup_filename = './start_results/' + $entry.tag + '.csv'
  let bench_res_startup = open $startup_filename
  let $startup_size = $bench_res_startup | length

  mut sum_s = 0ns
  mut max_s = 0ns
  mut min_s = 0ns

  for res in $bench_res_startup {
    let time = $res | get time | into duration
    $sum_s += $time 
    if $max_s == 0ns or $time >= $max_s {
      $max_s = $time
    }
    if $min_s == 0ns or $time <= $min_s {
      $min_s = $time
    }
  }

  let image_size = docker image ls $entry.image | from ssv | get 0 | get SIZE | into filesize
  let row: table<tag: string, image: string, image_size: string, median_build_time: duration, max_build_time: duration, min_build_time: duration, total_build_time: duration, max_size: string, build_benchmark_size: int, median_startup_time: duration, max_startup_time: duration, min_startup_time: duration, total_startup_time: duration, startup_benchmark_size: int> = [
      ['tag', 'image', 'image_size', 'median_build_time', 'max_build_time', 'min_build_time', 'total_build_time', 'max_size', 'build_benchmark_size', 'median_startup_time', 'max_startup_time', 'min_startup_time', 'total_startup_time', 'startup_benchmark_size'];
      [$'($entry.tag)', $'($entry.image)', $image_size, ($sum / $benchmark_size), $max, $min, $sum, ($image_size * $benchmark_size), $benchmark_size, ($sum_s / $startup_size), $max_s, $min_s, $sum_s, $startup_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