#!/usr/bin/env ruby
require 'salesforcedeploytool'

# Disable stdout buffer
STDOUT.sync = true

# Static files
CONFIG_DIR = File.expand_path '~/.sf'
CONFIG_FILE = File.expand_path '~/.sf/credentials.yaml'
GLOBAL_CONFIG_FILE = File.expand_path '~/.sf/salesforce.yaml'
SANDBOX_CONFIG_FILE = File.expand_path '~/.sf/salesforce.sbox'

# Create .sf dir if doesn't exists
FileUtils.mkdir CONFIG_DIR if not Dir.exists? CONFIG_DIR

# Load configurations
config = {}
[CONFIG_FILE,GLOBAL_CONFIG_FILE].each do |file|
  file = File.expand_path file
  if File.exists? file
    config_content = YAML::load(File.open(file).read)
    config.merge! config_content if config_content
  else
    FileUtils.touch file
  end
end

# Read sandbox environment
begin
  config[:sandbox] = File.open(File.expand_path(SANDBOX_CONFIG_FILE)).read
rescue
end

# Configuration variables firrst from ENV , if not config file

# Git configs:
config[:git_repo]              =  ENV["SFDT_GIT_REPO"]              ||  config[:git_repo]
config[:git_dir]               =  ENV["SFDT_GIT_DIR"]               ||  config[:git_dir]
config[:src_dir]               =  ENV["SFDT_SRC_DIR"]               ||  config[:src_dir]

# Salesforce credential configs
config[:username]              =  ENV["SFDT_USERNAME"]              ||  config[:username]
config[:password]              =  ENV["SFDT_PASSWORD"]              ||  config[:password]
config[:salesforce_url]        =  ENV["SFDT_SALESFORCE_URL"]        ||  config[:salesforce_url] 
config[:sandbox]               =  ENV['SFDT_SANDBOX']               ||  config[:sandbox]

# Project configs
config[:version_file]          =  ENV["SFDT_VERSION_FILE"]          ||  config[:version_file]
config[:build_number_pattern]  =  ENV["SFDT_BUILD_NUMBER_PATTERN"]  ||  config[:build_number_pattern]
config[:commit_hash_pattern]   =  ENV["SFDT_COMMIT_HASH_PATTERN"]   ||  config[:commit_hash_pattern]
config[:deploy_ignore_files]   =  ENV["SFDT_DEPLOY_IGNORE_FILES"].nil? ? config[:deploy_ignore_files] : ENV["SFDT_DEPLOY_IGNORE_FILES"].split(',')

# Ant options
config[:libant]                =  ENV["SFDT_ANT_LIB"]               ||  config[:libant]

# Minimal config validation
abort "Config error: src_dir not found in #{GLOBAL_CONFIG_FILE} or through SFDT_SRC_DIR" \
  if config[:src_dir].nil? && !['-v'].include?(ARGV.first)
abort "Config error: git_dir not found in #{GLOBAL_CONFIG_FILE} or through SFDT_GIT_DIR" \
  if config[:git_dir].nil? && !['-v'].include?(ARGV.first)
abort "Config error: git_repo not found in #{GLOBAL_CONFIG_FILE} or through SFDT_GIT_DIR" \
  if config[:git_repo].nil? && !['-v'].include?(ARGV.first)
abort "Config error: username not found in #{GLOBAL_CONFIG_FILE} or through SFDT_USERNAME" \
  if config[:username].nil? && !['config','-v'].include?(ARGV.first)
abort "Config error: password not found in #{GLOBAL_CONFIG_FILE} or through SFDT_PASSWORD" \
  if config[:password].nil? && !['config','-v'].include?(ARGV.first)

# Create a temporary directory if SFDT_TMP_DIR is set, use that and don't delete it
# This is to facilitate testinig and inspecting build.xml file
if !ENV['SFDT_TMP_DIR'].nil?
  FileUtils.rm_rf ENV['SFDT_TMP_DIR']
  FileUtils.mkdir ENV['SFDT_TMP_DIR']
end
config[:tmp_dir] = ENV['SFDT_TMP_DIR'] || Dir.mktmpdir('sfdt-')

begin
  SalesforceDeployTool::CLI.new.run config 
rescue => e
  puts "ERROR: #{e}"
  exit 1
ensure
  FileUtils.rm_rf config[:tmp_dir] if Dir.exists? config[:tmp_dir] unless ENV['SFDT_TMP_DIR']
end