#!/usr/bin/env bash
set -euo pipefail

# get-pickup-metrics.sh - Retrieve detailed pickup metrics for distributed release

DISTRIBUTION_ID=""
TIMEFRAME="7d"

while [[ $# -gt 0 ]]; do
  case $1 in
    --distribution-id)
      DISTRIBUTION_ID="$2"
      shift 2
      ;;
    --timeframe)
      TIMEFRAME="$2"
      shift 2
      ;;
    *)
      echo "Error: Unknown parameter $1" >&2
      exit 1
      ;;
  esac
done

# Validate required parameters
if [[ -z "$DISTRIBUTION_ID" ]]; then
  echo "Error: --distribution-id is required" >&2
  exit 1
fi

# Validate timeframe
if [[ ! "$TIMEFRAME" =~ ^(24h|7d|30d)$ ]]; then
  echo "Error: --timeframe must be 24h, 7d, or 30d" >&2
  exit 1
fi

# Validate environment variables
if [[ -z "${N8N_BASE_URL:-}" ]] || [[ -z "${N8N_API_KEY:-}" ]]; then
  echo "Error: N8N_BASE_URL and N8N_API_KEY environment variables required" >&2
  exit 1
fi

# Build JSON payload
JSON_PAYLOAD=$(jq -n \
  --arg distribution_id "$DISTRIBUTION_ID" \
  --arg timeframe "$TIMEFRAME" \
  '{
    distribution_id: $distribution_id,
    timeframe: $timeframe
  }')

# Call n8n webhook
RESPONSE=$(curl -s -w "\n%{http_code}" -X POST \
  "${N8N_BASE_URL}/webhook/press-distribution-metrics" \
  -H "X-N8N-API-KEY: ${N8N_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "$JSON_PAYLOAD")

HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
BODY=$(echo "$RESPONSE" | sed '$d')

if [[ "$HTTP_CODE" -ge 200 ]] && [[ "$HTTP_CODE" -lt 300 ]]; then
  echo "$BODY"
  exit 0
elif [[ "$HTTP_CODE" -ge 400 ]] && [[ "$HTTP_CODE" -lt 500 ]]; then
  echo "Error: Invalid request - $BODY" >&2
  exit 1
else
  echo "Error: API error (HTTP $HTTP_CODE) - $BODY" >&2
  exit 2
fi