#!/usr/bin/env bash

# Qortal defaults
host="localhost"
port=12391

if [ -z "$*" ]; then
	echo "Usage:"
	echo
	echo "Host/update data:"
	echo "qdn POST [service] [name] PATH [dirpath] <identifier>"
	echo "qdn POST [service] [name] STRING [data-string] <identifier>"
	echo
	echo "Fetch data:"
	echo "qdn GET [service] [name] <identifier-or-default> <filepath-or-default> <rebuild>"
	echo
	echo "Notes:"
	echo "- When requesting a resource, please use 'default' to indicate a file with no identifier."
	echo "- The same applies when specifying the relative path to a file within the data structure; use 'default'"
	echo "  to indicate a single file resource."
	echo
	exit
fi

script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

if [ -f "apikey.txt" ]; then
  apikey=$(cat "apikey.txt")
elif [ -f "${script_dir}/../apikey.txt" ]; then
  apikey=$(cat "${script_dir}/../apikey.txt")
elif [ -f "${HOME}/qortal/apikey.txt" ]; then
  apikey=$(cat "${HOME}/qortal/apikey.txt")
fi

method=$1
service=$2
name=$3

if [ -z "${method}" ]; then
  echo "Error: missing method"; exit
fi
if [ -z "${service}" ]; then
  echo "Error: missing service"; exit
fi
if [ -z "${name}" ]; then
  echo "Error: missing name"; exit
fi


if [[ "${method}" == "POST" ]]; then
  type=$4
  data=$5
  identifier=$6

  if [ -z "${data}" ]; then
    if [[ "${type}" == "PATH" ]]; then
      echo "Error: missing directory"; exit
    elif [[ "${type}" == "STRING" ]]; then
      echo "Error: missing data string"; exit
    else
      echo "Error: unrecognized type"; exit
    fi
  fi
  if [ -z "${QORTAL_PRIVKEY}" ]; then
    echo "Error: missing private key. Set it by running: export QORTAL_PRIVKEY=privkeyhere"; exit
  fi

  if [ -z "${identifier}" ]; then
    identifier="default"
  fi

  # Create type component in URL
  if [[ "${type}" == "PATH" ]]; then
      type_component=""
  elif [[ "${type}" == "STRING" ]]; then
      type_component="/string"
  fi

  echo "Creating transaction - this can take a while..."
  tx_data=$(curl --silent --insecure -X ${method} "http://${host}:${port}/arbitrary/${service}/${name}/${identifier}${type_component}" -H "X-API-KEY: ${apikey}" -d "${data}")

  if [[ "${tx_data}" == *"error"* || "${tx_data}" == *"ERROR"* ]]; then
    echo "${tx_data}"; exit
  elif [ -z "${tx_data}" ]; then
    echo "Error: no transaction data returned"; exit
  fi

  echo "Computing nonce..."
  computed_tx_data=$(curl --silent --insecure -X POST "http://${host}:${port}/arbitrary/compute" -H "Content-Type: application/json" -H "X-API-KEY: ${apikey}" -d "${tx_data}")
  if [[ "${computed_tx_data}" == *"error"* || "${computed_tx_data}" == *"ERROR"* ]]; then
    echo "${computed_tx_data}"; exit
  fi

  echo "Signing..."
  signed_tx_data=$(curl --silent --insecure -X POST "http://${host}:${port}/transactions/sign" -H  "Content-Type: application/json" -d "{\"privateKey\":\"${QORTAL_PRIVKEY}\",\"transactionBytes\":\"${computed_tx_data}\"}")
  if [[ "${signed_tx_data}" == *"error"* || "${signed_tx_data}" == *"ERROR"* ]]; then
    echo "${signed_tx_data}"; exit
  fi

  echo "Broadcasting..."
  success=$(curl --silent --insecure -X POST "http://${host}:${port}/transactions/process" -H  "Content-Type: text/plain" -d "${signed_tx_data}")
  if [[ "${success}" == "true" ]]; then
    echo "Transaction broadcast successfully"
  else
    echo "Error when broadcasting transaction. Please try again."
    echo "Response: ${success}"
  fi

elif [[ "${method}" == "GET" ]]; then
  identifier=$4
  filepath=$5
  rebuild=$6

  if [ -z "${rebuild}" ]; then
    rebuild="false"
  fi

  # Handle default
  if [[ "${filepath}" == "default" ]]; then
    filepath=""
  fi

  # We use a different API depending on whether or not an identifier is supplied
  if [ -n "${identifier}" ]; then
    response=$(curl --silent --insecure -X GET "http://${host}:${port}/arbitrary/${service}/${name}/${identifier}?rebuild=${rebuild}&filepath=${filepath}" -H "X-API-KEY: ${apikey}")
  else
    response=$(curl --silent --insecure -X GET "http://${host}:${port}/arbitrary/${service}/${name}?rebuild=${rebuild}&filepath=${filepath}" -H "X-API-KEY: ${apikey}")
  fi

  if [ -z "${response}" ]; then
    echo "Empty response from ${host}:${port}"
  fi
  if [[ "${response}" == *"error"* || "${response}" == *"ERROR"* ]]; then
    echo "${response}"; exit
  fi

  echo "${response}"

fi