#!/usr/bin/env bash

set -euo pipefail

script_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
repo_dir="$(cd -- "$script_dir/.." && pwd)"
env_file="${AIGW_DEBUG_ENV_FILE:-$repo_dir/.env.debug}"

log() {
  printf '[aigw-debug] %s\n' "$*"
}

fail() {
  printf '[aigw-debug] error: %s\n' "$*" >&2
  exit 1
}

command -v docker >/dev/null 2>&1 || fail "docker is not installed"
docker info >/dev/null 2>&1 || fail "cannot access Docker; check that the daemon is running and your user belongs to the docker group"

if [[ ! -f "$env_file" ]]; then
  command -v openssl >/dev/null 2>&1 || fail "openssl is required to generate local credentials"
  credential_key="$(openssl rand -base64 32 | tr -d '\n')"
  admin_token="aigw-admin-$(openssl rand -hex 24)"
  umask 077
  {
    printf 'AIGW_CREDENTIAL_KEY=%s\n' "$credential_key"
    printf 'AIGW_ADMIN_TOKEN=%s\n' "$admin_token"
  } >"$env_file"
  chmod 600 "$env_file"
  log "created $env_file"
fi

for required_name in AIGW_CREDENTIAL_KEY AIGW_ADMIN_TOKEN; do
  grep -q "^${required_name}=." "$env_file" || fail "$required_name is missing from $env_file"
done

compose=(docker compose --project-directory "$repo_dir")
if [[ -n "${AIGW_COMPOSE_PROJECT_NAME:-}" ]]; then
  compose+=(--project-name "$AIGW_COMPOSE_PROJECT_NAME")
fi
compose+=(--env-file "$env_file")

cd "$repo_dir"
if [[ "${AIGW_DEBUG_SKIP_BUILD:-0}" == "1" ]]; then
  log "starting all services without rebuilding the gateway image"
  up_args=(up -d --no-build --remove-orphans --wait --wait-timeout 120)
else
  log "building and starting all services"
  up_args=(up -d --build --remove-orphans --wait --wait-timeout 120)
fi

if ! "${compose[@]}" "${up_args[@]}"; then
  "${compose[@]}" ps >&2 || true
  "${compose[@]}" logs --no-color --tail=120 aigw >&2 || true
  fail "services did not become healthy"
fi

log "all services are ready"
printf '\nAdmin UI:    http://127.0.0.1:8080/admin/\n'
printf 'Health:      http://127.0.0.1:8080/readyz\n'
printf 'Secrets:     %s (mode 0600)\n' "$env_file"
printf '\nLogs:        docker compose --project-directory %q --env-file %q logs -f\n' "$repo_dir" "$env_file"
printf 'Stop:        ./scripts/stop-debug.sh\n'