#!/usr/bin/env bash
# A cold checkout resolves shared, server, and web against hex.pm in one CI
# run from a shared runner IP; one transient hex request should not kill a
# run that is otherwise green, so retry each project's download before the
# real build/test steps ever touch it.
set -euo pipefail
cd "$(dirname "${BASH_SOURCE[0]}")/.."

log() { printf '\033[36m[ci-warm-deps]\033[0m %s\n' "$*"; }

DELAYS=(5 15)

warm() {
  local dir="$1" attempt=1
  while true; do
    if (cd "$dir" && gleam deps download); then
      return 0
    fi
    if [ "$attempt" -gt "${#DELAYS[@]}" ]; then
      echo "ci-warm-deps: $dir failed to resolve deps after $((attempt)) attempts" >&2
      return 1
    fi
    local delay="${DELAYS[$((attempt - 1))]}"
    log "$dir: attempt $attempt failed, retrying in ${delay}s"
    sleep "$delay"
    attempt=$((attempt + 1))
  done
}

for dir in shared server web; do
  log "warming $dir"
  warm "$dir"
done