#!/bin/bash

set -e

# Parse arguments
spec_path=''
output_path=''
generator=''
generator_dir=''
additional_properties=''
openapi_normalizer=''
src_dir='src'
while [[ "$#" -gt 0 ]]; do case $1 in
  --spec-path) spec_path="$2"; shift;;
  --output-path) output_path="$2"; shift;;
  --generator) generator="$2"; shift;;
  --generator-dir) generator_dir="$2"; shift;;
  --additional-properties) additional_properties="$2"; shift;;
  --openapi-normalizer) openapi_normalizer="$2"; shift;;
  --src-dir) src_dir="$2"; shift;;
esac; shift; done

echo "Generating OpenAPI $generator_dir ($generator)..."
working_dir=$(pwd)

# Get the directory this script is executing in (scripts/generators)
script_dir="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )";

# load common package manager helper functions
. "$script_dir/../common/common.sh"

# Create a temporary directory
tmp_dir=$(mktemp -d "${TMPDIR:-/tmp/}generate-client-$generator_dir.XXXXXXXXX")
cd $tmp_dir

log "generate :: tmp_dir :: $tmp_dir"

# Copy the specific generator directory into the temp directory
cp -r $script_dir/$generator_dir/* .

# Install dependencies
install_packages @openapitools/openapi-generator-cli@2.5.1

# Support a special placeholder of {{src}} in config.yaml to ensure our custom templates get written to the correct folder
sed 's|{{src}}|'"$src_dir"'|g' config.yaml > config.final.yaml

# Generate the client
run_command @openapitools/openapi-generator-cli generate \
  --log-to-stderr \
  --generator-name $generator \
  --skip-operation-example \
  --generate-alias-as-model \
  --minimal-update \
  --template-dir templates \
  --config config.final.yaml \
  --additional-properties="$additional_properties" \
  ${openapi_normalizer:+"--openapi-normalizer=$openapi_normalizer"} \
  --input-spec $spec_path \
  --output $output_path

echo "$generator_dir ($generator) OpenAPI generation done!"

# Clean up
cd $working_dir
rm -rf $tmp_dir