#!/usr/bin/env ruby
# Encoding: utf-8
#--------------------------------------------------------------------
# PinPress
#
# A Pinboard application that allows for the creation of
# "pin templates" in almost any conceivable format.
#
# Copyright (c) 2014
# Aaron Bach <bachya1208@gmail.com>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#--------------------------------------------------------------------
require 'chronic'
require 'cliutils'
require 'gli'
require 'pinboard'
require 'pinpress'

include CLIUtils::Configuration
include CLIUtils::Messaging
include GLI::App

# ======================================================
# App Info
# ======================================================
program_desc PinPress::DESCRIPTION
version PinPress::VERSION

# ======================================================
# Global Flags and Switches
# ======================================================

# ======================================================
# Pre, Post, and Error
# ======================================================
pre do |global, command, options, args|
  # Load PinPress configuration module.
  load_configuration(PinPress::CONFIG_FILEPATH)
  file_logger = Logger.new(PinPress::LOG_FILEPATH)
  file_logger.level = LOG_LEVELS[configuration.pinpress[:log_level] || 'DEBUG']
  messenger.attach(LOGFILE: file_logger)

  if File.exist?(PinPress::CONFIG_FILEPATH)
    # Set the current and last config versions in the Configurator.
    configuration.current_version = configuration.pinpress[:version]
    configuration.last_version = PinPress::NEWEST_CONFIG_VERSION

    # Compare the two versions and, if needed, update.
    configuration.compare_version do |c, l|
      messenger.debug { "Upgrading from #{ c } to #{ l }" }
      PinPress.update_config_file
      exit!(0)
    end
  else
    # Force the user to init if they try to run any command
    # other than `init` first.
    PinPress.init(true)
    exit!(0)
  end
  true
end

post do |global, command, options, args|

end

on_error do |exception|
  # messenger.error(exception.to_s)
  # exit!(1)
  # true
end

# ======================================================
# Commands
# ======================================================
# ------------------------------------------------------
# init command
#
# Initializes the app by asking the user for information
# needed to run.
# ------------------------------------------------------
desc 'Install and initialize dependencies'
command :init do |c|
  c.switch([:s], desc: 'Run init from scratch')
  c.action do |global_options, options, args|
    if options[:s]
      PinPress.init(true)
    else
      long_message = "You've already initialized PinPress. Do it again?"
      PinPress.init if messenger.prompt(long_message, 'N').downcase == 'y'
    end
  end
end

# ------------------------------------------------------
# pins command
#
# Gets pins from Pinboard.
# ------------------------------------------------------
desc 'Get pins from Pinboard'
command :pins do |c|
  c.flag([:e], desc: 'The end date to pull pins to')
  c.flag([:n], desc: 'The number of results to return')
  c.flag([:s], desc: 'The start date to pull pins from')
  c.flag([:t], desc: 'The tags to use (e.g., "ruby,pinboard")')

  c.desc 'Gets all pins from the last run date + 1'
  c.command :last do |last|
    last.action do |global_options, options, args|
      last_run_date = configuration.pinpress[:last_pins_run]
      if last_run_date
        options[:s] = last_run_date + 1
        puts PinPress.get_data(PinPress::Template::TEMPLATE_TYPE_PIN, args, options)
      else
        messenger.warn("`pinpress pins` hasn't been run before.")
      end
    end
  end

  c.action do |global_options, options, args|
    puts PinPress.get_data(PinPress::Template::TEMPLATE_TYPE_PIN, args, options)
  end
end

# ------------------------------------------------------
# tags command
#
# Gets pins from Pinboard.
# ------------------------------------------------------
desc 'Get tags from Pinboard'
command :tags do |c|
  c.flag([:e], desc: 'The end date to pull pins to')
  c.flag([:t], desc: 'The tags to use (e.g., "ruby,pinboard")')
  c.flag([:s], desc: 'The start date to pull pins from')

  c.desc 'Gets all tags from the last run date + 1'
  c.command :last do |last|
    last.action do |global_options, options, args|
      last_run_date = configuration.pinpress[:last_tags_run]
      if last_run_date
        options[:s] = last_run_date + 1
        puts PinPress.get_data(PinPress::Template::TEMPLATE_TYPE_TAG, args, options)
      else
        messenger.warn("`pinpress tags` hasn't been run before.")
      end
    end
  end

  c.desc 'Gets the unique tags based on the passed criteria'
  c.action do |global_options, options, args|
    puts PinPress.get_data(PinPress::Template::TEMPLATE_TYPE_TAG, args, options)
  end
end

# ------------------------------------------------------
# templates command
#
# Manages pin templates.
# ------------------------------------------------------
desc 'Work with templates for pin output'
command :templates do |c|
  c.desc 'List current templates'
  c.command :list do |list|
    list.action do |global_options, options, args|
      PinPress.list_templates
    end
  end
  c.default_command :list
end

# ======================================================
# Run!
# ======================================================
exit run(ARGV)