#!/bin/bash

set -e

export HOME="/github/workspace"
export WRANGLER_HOME="/github/workspace"

mkdir -p "$HOME/.wrangler"
chmod -R 770 "$HOME/.wrangler"

export API_CREDENTIALS=""

# Used to execute any specified pre and post commands
execute_commands() {
  COMMANDS=$1
  while IFS= read -r COMMAND; do
    CHUNKS=()

    for CHUNK in $COMMAND; do
      CHUNKS+=("$CHUNK")
    done

    "${CHUNKS[@]}"

    CHUNKS=()
  done <<< "$COMMANDS"
}

secret_not_found() {
  echo "::error::Specified secret \"$1\" not found in environment variables."
  exit 1
}

# If an API token is detected as input
if [ -n "$INPUT_APITOKEN" ]
then
  export CF_API_TOKEN="$INPUT_APITOKEN"
  export API_CREDENTIALS="API Token"
fi

# If an API key and email are detected as input
if [ -n "$INPUT_APIKEY" ] && [ -n "$INPUT_EMAIL" ]
then
  export CF_EMAIL="$INPUT_EMAIL"
  export CF_API_KEY="$INPUT_APIKEY"
  export API_CREDENTIALS="Email and API Key"
fi

if [ -n "$INPUT_APIKEY" ] && [ -z "$INPUT_EMAIL" ]
then
  echo "Provided an API key without an email for authentication. Please pass in 'apiKey' and 'email' to the action."
fi

if [ -z "$INPUT_APIKEY" ] && [ -n "$INPUT_EMAIL" ]
then
  echo "Provided an email without an API key for authentication. Please pass in 'apiKey' and 'email' to the action."
  exit 1
fi

if [ -z "$API_CREDENTIALS" ]
then
  >&2 echo "Unable to find authentication details. Please pass in an 'apiToken' as an input to the action, or a legacy 'apiKey' and 'email'."
  exit 1
else
  echo "Using $API_CREDENTIALS authentication"
fi

# If a Wrangler version is detected as input
if [ -z "$INPUT_WRANGLERVERSION" ]
then
  npm i @cloudflare/wrangler -g
else
  npm i "@cloudflare/wrangler@$INPUT_WRANGLERVERSION" -g
fi

# If a working directory is detected as input
if [ -n "$INPUT_WORKINGDIRECTORY" ]
then
  cd "$INPUT_WORKINGDIRECTORY"
fi

# If precommands is detected as input
if [ -n "$INPUT_PRECOMMANDS" ]
then
  execute_commands "$INPUT_PRECOMMANDS"
fi

# If an environment is detected as input, for each secret specified get the value of
# the matching named environment variable then configure using wrangler secret put.
if [ -z "$INPUT_ENVIRONMENT" ]
then
  wrangler publish

  for SECRET in $INPUT_SECRETS; do
    VALUE=$(printenv "$SECRET") || secret_not_found "$SECRET"
    echo "$VALUE" | wrangler secret put "$SECRET"
  done
else
  wrangler publish -e "$INPUT_ENVIRONMENT"

  for SECRET in $INPUT_SECRETS; do
    VALUE=$(printenv "$SECRET") || secret_not_found "$SECRET"
    echo "$VALUE" | wrangler secret put "$SECRET" --env "$INPUT_ENVIRONMENT"
  done
fi

# If postcommands is detected as input
if [ -n "$INPUT_POSTCOMMANDS" ]
then
  execute_commands "$INPUT_POSTCOMMANDS"
fi

# If a working directory is detected as input, revert to the
# original directory before continuing with the workflow
if [ -n "$INPUT_WORKINGDIRECTORY" ]
then
  cd $HOME
fi