#!/bin/bash

#/ NAME
#/     init -- 
#/
#/ SYNOPSIS
#/     
#/     init

# figure out the project root under which bin, lib live
shome="$(cd -P -- "$(dirname -- "$BASH_SOURCE")/.." && pwd -P)"

# load a jason bourne library
source "$shome/libexec/_treadstone"

DEFINE_boolean "helpers" "$FLAGS_FALSE" "Generate the bin and libexec helpers" "H"

function main {
  local dollar='$'

  if [[ "$FLAGS_helpers" = "$FLAGS_TRUE" ]]; then
    mkdir -p "libexec"
    cat > "libexec/aohelper" <<EOF
function ryaml { 
  ruby -ryaml -e 'def ps x; unless x.nil?; puts (x.class == String || x.class == Fixnum) ? x : x.to_yaml; end; end; ps ARGV[1..-1].inject(YAML.load(File.read(ARGV[0]))) {|acc, key| acc[acc.class == Array ? key.to_i : key] }' "${dollar}@" 2>&-
}

shome="${dollar}(cd -P -- "${dollar}(dirname -- "${dollar}BASH_SOURCE")/.." && pwd -P)"

app_ruby="${dollar}(ryaml ${dollar}shome/config/deploy.yml app_ruby)"
ruby_loader="${dollar}(ryaml ${dollar}shome/config/deploy.yml ruby_loader)"
PATH="${dollar}PATH:/usr/local/rvm/bin:${dollar}HOME/.rvm/bin"

if ! ${dollar}ruby_loader ${dollar}app_ruby bundle check 2>&- > /dev/null; then
  ${dollar}ruby_loader ${dollar}app_ruby bundle install --local --quiet
fi
${dollar}ruby_loader ${dollar}app_ruby bundle exec ao "${dollar}{BASH_SOURCE##*/}" "${dollar}@"
EOF
    chmod 755 "libexec/aohelper"

    for nm_cmd in activate check compare debug deploy dna hosts lock migrate proxy release restart rollback shell stage unlock; do
      ln -nfs "../libexec/aohelper" $shome/bin/$nm_cmd
    done
  else
    if [[ "$#" < 1 ]]; then
      logger_fatal "missing application name"
      exit 1
    fi

    local nm_app="$1"; shift

    cat > "Capfile" <<EOF
#!/usr/bin/env ruby

require 'alpha_omega/deploy'

# application deploy
namespace :${nm_app} do
  namespace :bundle do
    task :ruby do
      run "PATH=${dollar}PATH:/usr/local/rvm/bin:${dollar}HOME/.rvm/bin; { cd #{deploy_release} && #{ruby_loader} bundle check 2>&1 >/dev/null; } || #{ruby_loader} bundle #{bundler_options} >/dev/null"
    end
  end
end

# overrides
namespace :deploy do
  task :bundle do
    ${nm_app}.bundle.ruby
  end
end

# interesting hosts
Deploy self, __FILE__ do |admin, node| 
  if node["run_list"].include?("role[something_something]")
    { :deploy => { } }
  end
end
EOF

    mkdir -p "config"
    cat > "config/deploy.yml" <<EOF
--- 
repository: git@github.com:someone/something_something
application: ${nm_app}

ruby_loader: rvm-exec
app_ruby: ree

branches: [ production staging master ]
branch_regex: /
EOF
  fi
}

require sub "$BASH_SOURCE" "$@"