import os
from subprocess import (call)
from .gs import (GS)
from .kiplot import (check_eeschema_do)
from .misc import (CMD_EESCHEMA_DO, PDF_SCH_PRINT)
from .optionable import BaseOptions
from kiplot.macros import macros, document, output_class  # noqa: F401
from . import log

logger = log.get_logger(__name__)


class PDF_Sch_PrintOptions(BaseOptions):
    def __init__(self):
        with document:
            self.output = GS.def_global_output
            """ filename for the output PDF (%i=schematic %x=pdf) """  # pragma: no cover
        super().__init__()

    def run(self, output_dir, board):
        check_eeschema_do()
        cmd = [CMD_EESCHEMA_DO, 'export', '--all_pages', '--file_format', 'pdf', GS.sch_file, output_dir]
        if GS.debug_enabled:
            cmd.insert(1, '-vv')
            cmd.insert(1, '-r')
        logger.debug('Executing: '+str(cmd))
        ret = call(cmd)
        if ret:
            logger.error(CMD_EESCHEMA_DO+' returned %d', ret)
            exit(PDF_SCH_PRINT)
        if self.output:
            id = 'schematic'
            ext = 'pdf'
            cur = self.expand_filename_sch(output_dir, '%f.%x', id, ext)
            new = self.expand_filename_sch(output_dir, self.output, id, ext)
            logger.debug('Moving '+cur+' -> '+new)
            os.rename(cur, new)


@output_class
class PDF_Sch_Print(BaseOutput):  # noqa: F821
    """ PDF Schematic Print (Portable Document Format)
        Exports the PCB to the most common exhange format. Suitable for printing.
        This is the main format to document your schematic.
        This output is what you get from the 'File/Print' menu in eeschema. """
    def __init__(self):
        super().__init__()
        with document:
            self.options = PDF_Sch_PrintOptions
            """ [dict] Options for the `pdf_sch_print` output """  # pragma: no cover
        self._sch_related = True