# Copyright (C) 2010-2011, 2015 Rocky Bernstein <rockyb@rubyforge.net>
# I/O related command processor methods
require_relative '../app/util'
require_relative '../app/markdown'
require_relative 'virtual'

begin require 'term/ansicolor'; rescue LoadError; end

class Trepan::CmdProcessor < Trepan::VirtualCmdProcessor
    include Trepan::Markdown

    attr_accessor :ruby_highlighter

    def confirm(msg, default)
        @settings[:confirm] ? @dbgr.intf[-1].confirm(msg, default) : true
    end

    def errmsg(message, opts={})
        if message.kind_of?(Array)
            message.each do |mess|
                errmsg(mess, opts)
            end
            return
        else
            message = safe_rep(message) unless opts[:unlimited]
        end
        if @settings[:highlight] && defined?(Term::ANSIColor)
            message =
                Term::ANSIColor.italic + message + Term::ANSIColor.reset
        end
        @dbgr.intf[-1].errmsg(message)
    end

    def markdown(message, opts={})
        message = render(message, @settings[:maxwidth], @settings[:highlight])
        @dbgr.intf[-1].msg(message)
    end

    def msg(message, opts={})
        message = safe_rep(message) unless opts[:unlimited]
        message = ruby_format(message) if opts[:code]
        @dbgr.intf[-1].msg(message)
    end

    def msg_nocr(message, opts={})
        message = safe_rep(message) unless opts[:unlimited]
        @dbgr.intf[-1].msg_nocr(message)
    end

    def read_command()
        @dbgr.intf[-1].read_command(@prompt)
    end

    def ruby_format(text)
        return text unless settings[:highlight]
        unless @ruby_highlighter
            begin
                require 'coderay'
                require 'term/ansicolor'
                @ruby_highlighter = CodeRay::Duo[:ruby, :term]
            rescue LoadError
                return text
            end
        end
        return @ruby_highlighter.encode(text)
    end

    def safe_rep(str)
        Trepan::Util::safe_repr(str, @settings[:maxstring])
    end

    def section(message, opts={})
        message = safe_rep(message) unless opts[:unlimited]
        message =
            if @settings[:highlight] && defined?(Term::ANSIColor)
                Term::ANSIColor.bold + message + Term::ANSIColor.reset
            else
                message += "\n" + ('-' * message.size)
            end
        @dbgr.intf[-1].msg(message)
    end
end