create

#!/bin/sh

DIR="$(pwd)"
PROJECT_NAME="$(basename $1)"
DB_NAME_PREFIX="$(echo "$PROJECT_NAME" | sed -r 's/[-]+/_/g')"

# Install rails if necessary
if ! gem list -i "^rails" > /dev/null 2>&1; then gem install rails; fi

# Generate empty Rails project with basic configuration
rails new $1 --rc=./.railsrc

# Copy all Rails static files
cp -R -L ./rails/src/. $1

# Go to project directory
cd $1

# Remove unused files
rm -rf ./config/credentials.yml.enc ./config/master.key

# Remove default ERB layouts
rm -rf ./app/views/layouts/*.erb

rm -rf ./vendor

# Replace placeholders with real project names
sed -i "s/##DB_NAME_PREFIX##/$DB_NAME_PREFIX/gi" ./config/database.yml
sed -i "s/##PROJECT_NAME##/$PROJECT_NAME/gi" ./.ruby-gemset

# Ask to use preferred database
read -r -p "Use PostgreSQL [1 - default] or MySQL [2] database? " DB_CHOICE
case "$DB_CHOICE" in
  2)
    sed -i "s/##DB_ADAPTER##/mysql2/gi" ./config/database.yml
    sed -i "s/##DB_ENCODING##/utf8mb4/gi" ./config/database.yml
    sed -i "s/##DB##/mysql2/gi" ./Gemfile
    ;;
  *)
    sed -i "s/##DB_ADAPTER##/postgresql/gi" ./config/database.yml
    sed -i "s/##DB_ENCODING##/unicode/gi" ./config/database.yml
    sed -i "s/##DB##/pg/gi" ./Gemfile
esac

# Ask to use UUIDs for primary keys - for PostgreSQL only
if [ -z "$DB_CHOICE" ] || [ $DB_CHOICE -ne 2 ]; then
  read -r -p "Use UUID as type for primary keys? [Y/n] " UUID_CHOICE
  case "$UUID_CHOICE" in
    [nN][oO]|[nN])
      sed -i "/##UUID##/d" ./config/initializers/generators.rb
      ;;
    *)
      sed -i -e "s/##UUID##/$(sed 's:/:\\/:g' $DIR/uuid/subs/generators.rb)/" ./config/initializers/generators.rb
      cp -R -L $DIR/uuid/src/. ./
      ;;
  esac
fi

# Ask to use rails-data-modeller
read -r -p "Add rails-data-modeller? [Y/n] " APPGEN_CHOICE
case "$APPGEN_CHOICE" in
  [nN][oO]|[nN])
    sed -i "/##RAILS_DATA_MODELLER##/d" ./Gemfile
    sed -i "/##RAILS_DATA_MODELLER##/d" ./Rakefile
    ;;
  *)
    sed -i -e "s/##RAILS_DATA_MODELLER##/$(sed 's:/:\\/:g' $DIR/rails-data-modeller/subs/Gemfile)/" ./Gemfile
    awk -v r="$(cat $DIR/rails-data-modeller/subs/Rakefile)" '{gsub(/##RAILS_DATA_MODELLER##/,r)}1' ./Rakefile > ./Rakefile.tmp && mv ./Rakefile.tmp ./Rakefile
    cp -R -L $DIR/rails-data-modeller/src/. ./
    ;;
esac

# Ask to use Sidekiq
read -r -p "Use Sidekiq for background job processing? [Y/n] " SIDEKIQ_CHOICE
case "$SIDEKIQ_CHOICE" in
  [nN][oO]|[nN])
    sed -i "/##SIDEKIQ##/d" ./README.md
    sed -i "/##SIDEKIQ##/d" ./config/application.rb
    sed -i "/##SIDEKIQ##/d" ./Gemfile
    ;;
  *)
    awk -v r="$(cat $DIR/sidekiq/subs/README.md)" '{gsub(/##SIDEKIQ##/,r)}1' ./README.md > ./README.md.tmp && mv ./README.md.tmp ./README.md
    awk -v r="$(cat $DIR/sidekiq/subs/application.rb)" '{gsub(/##SIDEKIQ##/,r)}1' ./config/application.rb > ./config/application.rb.tmp && mv ./config/application.rb.tmp ./config/application.rb
    awk -v r="$(cat $DIR/sidekiq/subs/Gemfile)" '{gsub(/##SIDEKIQ##/,r)}1' ./Gemfile > ./Gemfile.tmp && mv ./Gemfile.tmp ./Gemfile
    cp -R -L $DIR/sidekiq/src/. ./
    ;;
esac

# Ask to use Shrine
read -r -p "Use Shrine for file uploading? [Y/n] " SHRINE_CHOICE
case "$SHRINE_CHOICE" in
  [nN][oO]|[nN])
    sed -i "/##SHRINE##/d" ./README.md
    sed -i "/##SHRINE##/d" ./config/routes.rb
    sed -i "/##SHRINE##/d" ./config/application.rb
    sed -i "/##SHRINE##/d" ./Gemfile
    sed -i "/##SHRINE##/d" ./.env
    ;;
  *)
    awk -v r="$(cat $DIR/shrine/subs/README.md)" '{gsub(/##SHRINE##/,r)}1' ./README.md > ./README.md.tmp && mv ./README.md.tmp ./README.md
    awk -v r="$(cat $DIR/shrine/subs/routes.rb)" '{gsub(/##SHRINE##/,r)}1' ./config/routes.rb > ./config/routes.rb.tmp && mv ./config/routes.rb.tmp ./config/routes.rb
    awk -v r="$(cat $DIR/shrine/subs/application.rb)" '{gsub(/##SHRINE##/,r)}1' ./config/application.rb > ./config/application.rb.tmp && mv ./config/application.rb.tmp ./config/application.rb
    awk -v r="$(cat $DIR/shrine/subs/Gemfile)" '{gsub(/##SHRINE##/,r)}1' ./Gemfile > ./Gemfile.tmp && mv ./Gemfile.tmp ./Gemfile
    awk -v r="$(cat $DIR/shrine/subs/.env)" '{gsub(/##SHRINE##/,r)}1' ./.env > ./.env.tmp && mv ./.env.tmp ./.env
    cp -R -L $DIR/shrine/src/. ./
    ;;
esac

# Install rubocop if necessary
if ! gem list -i "^rubocop$" > /dev/null 2>&1; then gem install rubocop; fi
if ! gem list -i "^rubocop-performance$" > /dev/null 2>&1; then gem install rubocop-performance; fi
if ! gem list -i "^rubocop-rails$" > /dev/null 2>&1; then gem install rubocop-rails; fi
if ! gem list -i "^rubocop-rspec$" > /dev/null 2>&1; then gem install rubocop-rspec; fi

# Fix Rubocop offences in Rails-generated files
rubocop -A

# Create staging environment from production
cp ./config/environments/production.rb ./config/environments/staging.rb

# Install gems
#bundle install

# Initialize git repo
git init

# Install all git hooks
./script/install-git-hooks.sh

# Return to this directory
cd $DIR