import settings
import os
import codecs


class Writer(object):
    output_files = settings.get('OUTPUT_FILES')
    output_dir = settings.get('OUTPUT_DIR')

    @staticmethod
    def write(journal, entries):
        filename = Writer.output_files[journal]
        output = os.path.join(Writer.output_dir, filename)
        entries_by_year = entries.get_by_year()

        for year in entries_by_year:
            output_file = output.replace("%year%", year)
            output_dir = os.path.dirname(output_file)
            if not os.path.exists(output_dir):
                os.makedirs(os.path.dirname(output_file))
            elif not os.path.isdir(output_dir):
                print "Error: %s is not a dir\n" % (output_dir)
                raise os.error()

            f = codecs.open(output_file, 'w', 'utf-8')
            for entry in entries_by_year[year]:
                f.write(entry.get_ledger())
                f.write("\n")
            f.close()

    @staticmethod
    def write_hreport_plan():
        pc_names = settings.get('PC_NAMES')
        pc_descriptions = settings.get('PC_DESCRIPTIONS')

        filename = Writer.output_files['pc']
        output_file = os.path.join(Writer.output_dir, filename)

        f = codecs.open(output_file, 'w', 'utf-8')
        for pc in sorted(pc_names.keys()):
            name = pc_names[pc]
            if pc in pc_descriptions:
                desc = pc_descriptions[pc]
            else:
                desc = name
            s = "%s  %s  %s\n" % (name.ljust(80), pc.ljust(12), desc)
            f.write(s)
        f.close()