from subprocess import (call)
from .pre_base import BasePreFlight
from .error import (KiPlotConfigurationError)
from .gs import (GS)
from .kiplot import (check_script)
from .misc import (CMD_PCBNEW_PRINT_LAYERS, URL_PCBNEW_PRINT_LAYERS, PDF_PCB_PRINT)
from .optionable import BaseOptions
from kiplot.macros import macros, document, output_class  # noqa: F401
from .layer import Layer
from . import log

logger = log.get_logger(__name__)


class PDF_Pcb_PrintOptions(BaseOptions):
    def __init__(self):
        with document:
            self.output = GS.def_global_output
            """ filename for the output PDF (%i=layers, %x=pdf)"""
            self.output_name = None
            """ {output} """  # pragma: no cover
        super().__init__()

    def run(self, output_dir, board, layers):
        check_script(CMD_PCBNEW_PRINT_LAYERS, URL_PCBNEW_PRINT_LAYERS, '1.4.1')
        layers = Layer.solve(layers)
        # Output file name
        id = '+'.join([la.suffix for la in layers])
        output = self.expand_filename(output_dir, self.output, id, 'pdf')
        cmd = [CMD_PCBNEW_PRINT_LAYERS, 'export', '--output_name', output]
        if BasePreFlight.get_option('check_zone_fills'):
            cmd.append('-f')
        cmd.extend([GS.pcb_file, output_dir])
        if GS.debug_enabled:
            cmd.insert(1, '-vv')
            cmd.insert(1, '-r')
        # Add the layers
        cmd.extend([la.layer for la in layers])
        # Execute it
        logger.debug('Executing: '+str(cmd))
        ret = call(cmd)
        if ret:  # pragma: no cover
            # We check all the arguments, we even load the PCB
            # A fail here isn't easy to reproduce
            logger.error(CMD_PCBNEW_PRINT_LAYERS+' returned %d', ret)
            exit(PDF_PCB_PRINT)


@output_class
class PDF_Pcb_Print(BaseOutput):  # noqa: F821
    """ PDF PCB Print (Portable Document Format)
        Exports the PCB to the most common exhange format. Suitable for printing.
        This is the main format to document your PCB.
        This output is what you get from the 'File/Print' menu in pcbnew. """
    def __init__(self):
        super().__init__()
        with document:
            self.options = PDF_Pcb_PrintOptions
            """ [dict] Options for the `pdf_pcb_print` output """
            self.layers = Layer
            """ [list(dict)|list(string)|string] [all,selected,copper,technical,user]
                List of PCB layers to include in the PDF """  # pragma: no cover

    def config(self):
        super().config()
        # We need layers
        if isinstance(self.layers, type):
            raise KiPlotConfigurationError("Missing `layers` list")

    def run(self, output_dir, board):
        self.options.run(output_dir, board, self.layers)