#!/bin/bash
# This script copies the version from docker-compose.yml to config.json.

app_name=$1

# find all docker-compose files under apps/$app_name (there should be only one)
docker_compose_files=$(find apps/"$app_name" -name docker-compose.yml)

for docker_compose_file in $docker_compose_files
do
	# Assuming that the app version will be from the first docker image
	first_service=$(yq '.services | keys | .[0]' "$docker_compose_file")

	image=$(yq .services."$first_service".image "$docker_compose_file")

	# Only apply changes if the format is <image>:<version>
	if [[ "$image" == *":"* ]]; then
	  version=$(cut -d ":" -f2- <<< "$image")

	  # Trim the "v" prefix
	  trimmed_version=${version/#"v"}

	  # ------------------- Update config.json -------------------
	  config_file=${docker_compose_file/docker-compose.yml/config.json}

	  current_config_version=$(jq -r '.version' "$config_file")
    echo "Current config version: $current_config_version"

    if [[ "$current_config_version" != "$trimmed_version" ]]; then
      # Update the version in config.json
      contents="$(jq --arg trimmed_version "$trimmed_version" '.version=$trimmed_version' "$config_file")"
      echo "${contents}" > "$config_file"


      # ------------------- Update docker-compose.json -------------------
      # Update the version in docker-compose.json if it exists
      if [[ -f ${docker_compose_file/docker-compose.yml/docker-compose.json} ]]; then
        compose_file=${docker_compose_file/docker-compose.yml/docker-compose.json}

        echo "Updating $compose_file with version $image"

        main_service_index=$(yq '.services | to_entries[] | select(.value.isMain == true) | .key' "$compose_file")

        # apply trimmed version to docker-compose.json's main service
        contents="$(jq --arg image "$image" --arg main_service_index "$main_service_index" '.services[$main_service_index | tonumber].image=$image' "$compose_file")"
        echo "${contents}" > "$compose_file"
        npx prettier "$compose_file" --write
      fi
      
      # ------------------- Update config.json -------------------
      tipi_version=$(jq -r '.tipi_version' "$config_file")
      tipi_version=$((tipi_version + 1))
      contents="$(jq --argjson tipi_version $tipi_version '.tipi_version=$tipi_version' "$config_file")"
      echo "${contents}" > "$config_file"
      npx prettier "$config_file" --write
    fi
	fi
done