#!/bin/sh
set -eu

ROOT=$(CDPATH='' cd -- "$(dirname -- "$0")/.." && pwd)
# shellcheck source=scripts/scale-common.sh
. "$ROOT/scripts/scale-common.sh"
scale_load_environment

REQUESTS=${WNH_SCALE_REQUESTS:-1000000}
ACTIVITIES=${WNH_SCALE_ACTIVITIES:-1000000}
SAMPLES=${WNH_SCALE_SAMPLES:-3}
OUTPUT_DIR="$ROOT/output/scale"
TOOLS_IMAGE=who-need-help:scale-tools

for value in "$REQUESTS" "$ACTIVITIES" "$SAMPLES"; do
  case "$value" in
    ''|*[!0-9]*|0)
      echo "WNH_SCALE_REQUESTS, WNH_SCALE_ACTIVITIES and WNH_SCALE_SAMPLES must be positive integers." >&2
      exit 2
      ;;
  esac
done

mkdir -p "$OUTPUT_DIR"
docker build --target load_tools --tag "$TOOLS_IMAGE" "$ROOT"

docker run --rm \
  --cpuset-cpus "$CPU_REPLAY_CPUSET" \
  --network "${LOAD_PROJECT}_internal" \
  --env APP_ROLE=migrate \
  --env DATABASE_URL \
  --env POOL_SIZE=2 \
  --env "ERL_ZFLAGS=+Q ${ERLANG_PORT_LIMIT:-65536} +S 1:1" \
  --env SECRET_KEY_BASE \
  --env HANDOVER_SECRET \
  --env RELEASE_COOKIE \
  --env METRICS_TOKEN \
  --env PHX_HOST \
  --env PHX_SCHEME \
  --env PHX_URL_PORT \
  --env EMAIL_FROM_NAME="Who Need Help scale profile" \
  --env EMAIL_FROM_ADDRESS=scale@example.invalid \
  --env WNH_SCALE_EXPECTED_DATABASE \
  --env WNH_SCALE_FIXTURE_CONFIRM \
  --env SCALE_VIEWER_PASSWORD \
  --volume "$OUTPUT_DIR:/output" \
  "$TOOLS_IMAGE" \
  mix wnh.scale_fixtures verify \
    --requests "$REQUESTS" \
    --activities "$ACTIVITIES" \
    --samples "$SAMPLES" \
    --output /output/verification.json

docker run --rm \
  --volume "$OUTPUT_DIR:/output" \
  alpine:3.23.3@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659 \
  chown -R "$(id -u):$(id -g)" /output

printf 'Scale verification: %s/output/scale/verification.json\n' "$ROOT"