#!/usr/bin/env bash
#
# env-set.sh — Set environment variable on a Coolify service
#
# Usage: env-set.sh -u <uuid> -k <key> -v <value> [--preview]
#
# Options:
#   -u uuid       Service UUID (required)
#   -k key        Environment variable name (required)
#   -v value      Environment variable value (required)
#   --preview     Set as preview-only variable
#   -h            Show this help
#
# Note: Changes take effect on next deploy/restart.
set -euo pipefail

MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
source "$MOSAIC_HOME/tools/_lib/credentials.sh"
load_credentials coolify

UUID=""
KEY=""
VALUE=""
IS_PREVIEW="false"

while [[ $# -gt 0 ]]; do
  case $1 in
    -u) UUID="$2"; shift 2 ;;
    -k) KEY="$2"; shift 2 ;;
    -v) VALUE="$2"; shift 2 ;;
    --preview) IS_PREVIEW="true"; shift ;;
    -h) head -15 "$0" | grep "^#" | sed 's/^# \?//'; exit 0 ;;
    *) echo "Usage: $0 -u <uuid> -k <key> -v <value> [--preview]" >&2; exit 1 ;;
  esac
done

if [[ -z "$UUID" || -z "$KEY" || -z "$VALUE" ]]; then
  echo "Error: -u uuid, -k key, and -v value are required" >&2
  exit 1
fi

payload=$(jq -n \
  --arg key "$KEY" \
  --arg value "$VALUE" \
  --argjson preview "$IS_PREVIEW" \
  '{key: $key, value: $value, is_preview: $preview}')

response=$(curl -s -w "\n%{http_code}" \
  -X PATCH \
  -H "Authorization: Bearer $COOLIFY_TOKEN" \
  -H "Content-Type: application/json" \
  -d "$payload" \
  "${COOLIFY_URL}/api/v1/services/${UUID}/envs")

http_code=$(echo "$response" | tail -n1)
body=$(echo "$response" | sed '$d')

if [[ "$http_code" != "200" && "$http_code" != "201" ]]; then
  echo "Error: Failed to set environment variable (HTTP $http_code)" >&2
  echo "$body" | jq -r '.' 2>/dev/null >&2 || echo "$body" >&2
  exit 1
fi

echo "Set $KEY on service $UUID"
echo "Note: Redeploy the service to apply the change"