#!/usr/bin/env ruby
#
require 'taskTime.rb'
require 'contact.rb'

class Task
    def initialize(raw_input)
        @notes=[]
        @contacts=[]
        @contexts=[]
        @projects=[]
        @tags=[]
        @priority=0
        @dates=TaskTime.new()
        from_s(raw_input)
    end
    def to_s
        res=@description.clone
        if (@contexts.length>0): res<<=' ' + @contexts.map { |x| '@'+x.to_s }.join(" ") end
        if (@projects.length>0): res<<=' ' + @projects.map { |x| '['+x.to_s+']' }.join(" ") end
        if (@priority != 0):     res<<=' /'+ @priority.to_s + '\\' end
        if (@notes.length>0):    res<<=' ' + @notes.map { |x| '('+x.to_s+')' }.join(" ") end
        if (@contacts.length>0): res<<=' ' + @contacts.map { |x| x.to_s }.join(" ") end
        if (@dates):             res<<=' ' + @dates.to_s end
        if (@tags.length>0):     res<<=' ' + '{' + @tags.map{ |x| x.to_s }.join(", ") + '}' end
        return res
    end

    def to_detailled_s
        res='description: '+ @description 
        if (@contexts.length>0): 
            res<<="\n contexts:" + 
                @contexts.map { |x| x.to_s }.join(" ") 
        end
        if (@projects.length>0): 
            res<<="\n projects:" + 
                @projects.map { |x| '['+x.to_s+']' }.join(" ") 
        end
        if (@priority != 0):           
            res<<="\n priority: " + 
                @priority.to_s
        end
        if (@notes.length>0):           
            res<<="\n notes   : " + 
                @notes.map { |x| '('+x.to_s+')' }.join(" ")
        end
        if (@contacts.length>0): 
            res<<="\n contacts:" + 
                @contacts.map { |x| x.to_s }.join(" ") 
        end
        if (@dates):           
            res<<="\n dates   :\n" + 
                @dates.to_detailled_s 
        end
        if (@tags.length>0):     
            res<<="\n tags    :" + 
                '{' + @tags.map{ |x| x.to_s }.join(", ") + '}' 
        end
        return res
    end

    # -- constant class variable for each part 
    # -- of the regular expressions

    # Regular Expressions for that class
    @@StdTokenRegExp=Regexp.new(%{(\\w+|"[^"]*")})
    # Context
    @@ContextsRegExp=Regexp.new(%{(^| )@#{@@StdTokenRegExp.inspect[1..-2]}})
    # Project
    @@ProjectsRegExp=Regexp.new(%{\\[#{@@StdTokenRegExp.inspect[1..-2]}\\]})
    # Contact
    @@ContactsRegExp=Regexp.new(%{ (c|contact):#{@@StdTokenRegExp.inspect[1..-2]}})
    # Notes
    @@NotesRegExp=Regexp.new(%{\\(([^\)]*)\\)})
    # Tags
    @@TagsRegExp=Regexp.new(%{\\{#{@@StdTokenRegExp.inspect[1..-2]}\\}})

    def from_s( raw_input )

        @contexts=raw_input.scan(@@ContextsRegExp).map{ |x| x[1] }
        @projects=raw_input.scan(@@ProjectsRegExp).map{ |x| x[0] }
        @contacts=raw_input.scan(@@ContactsRegExp).map{ |x| x[1] }
        @notes   =raw_input.scan(   @@NotesRegExp).map{ |x| x[0] }
        @tags    =raw_input.scan(    @@TagsRegExp).map{ |x| x[0] }

        # somehow special for the priority
        @priority=raw_input.scan( /!/ ).length - raw_input.scan( /\?/ ).length

        @description=raw_input.gsub(
            Regexp.union(@@ContextsRegExp, @@ProjectsRegExp, 
                         @@ContactsRegExp, @@NotesRegExp, 
                         /!/, /\?/, @dates.regexp),"")
        @dates=TaskTime.new(raw_input)
    end
end

if __FILE__ == $0:
    task = Task.new("")
    while true:
        print "> "
        task.from_s( STDIN.gets.chomp )
        print "------------\n"
        print task.to_s
        print "\n------------\n"
        print task.to_detailled_s
        print "\n------------\n"
    end
end