# -*- coding: utf-8 -*-
# Copyright (c) 2020-2021 Salvador E. Tropea
# Copyright (c) 2020-2021 Instituto Nacional de Tecnología Industrial
# License: GPL-3.0
# Project: KiBot (formerly KiPlot)
import os
from shutil import copy2
from tempfile import NamedTemporaryFile
from .pre_base import BasePreFlight
from .error import (KiPlotConfigurationError)
from .gs import (GS)
from .kiplot import check_script, exec_with_retry
from .misc import (CMD_PCBNEW_PRINT_LAYERS, URL_PCBNEW_PRINT_LAYERS, PDF_PCB_PRINT, KICAD_VERSION_5_99)
from .out_base import VariantOptions
from .macros import macros, document, output_class  # noqa: F401
from .layer import Layer
from . import log

logger = log.get_logger(__name__)


class PDF_Pcb_PrintOptions(VariantOptions):
    # Mappings to KiCad config values. They should be the same used in drill_marks.py
    _drill_marks_map = {'none': 0, 'small': 1, 'full': 2}

    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} """
            self.scaling = 1.0
            """ Scale factor (0 means autoscaling)"""
            self._drill_marks = 'full'
            """ What to use to indicate the drill places, can be none, small or full (for real scale) """
            self.plot_sheet_reference = True
            """ Include the title-block """
            self.monochrome = False
            """ Print in black and white """
            self.separated = False
            """ Print layers in separated pages """
            self.mirror = False
            """ Print mirrored (X axis inverted). ONLY for KiCad 6 """
        super().__init__()

    @property
    def drill_marks(self):
        return self._drill_marks

    @drill_marks.setter
    def drill_marks(self, val):
        if val not in self._drill_marks_map:
            raise KiPlotConfigurationError("Unknown drill mark type: {}".format(val))
        self._drill_marks = val

    def config(self):
        super().config()
        self._drill_marks = PDF_Pcb_PrintOptions._drill_marks_map[self._drill_marks]

    @staticmethod
    def _copy_project(fname):
        pro_ext = '.kicad_pro' if GS.kicad_version_n >= KICAD_VERSION_5_99 else '.pro'
        pro_name = GS.pcb_file.replace('.kicad_pcb', pro_ext)
        if not os.path.isfile(pro_name):
            return None
        pro_copy = fname.replace('.kicad_pcb', pro_ext)
        logger.debug('Copying project `{}` to `{}`'.format(pro_name, pro_copy))
        copy2(pro_name, pro_copy)
        return pro_copy

    def filter_components(self, board):
        if not self._comps:
            return GS.pcb_file, None
        comps_hash = self.get_refs_hash()
        self.cross_modules(board, comps_hash)
        self.remove_paste_and_glue(board, comps_hash)
        # Save the PCB to a temporal file
        with NamedTemporaryFile(mode='w', suffix='.kicad_pcb', delete=False) as f:
            fname = f.name
        logger.debug('Storing filtered PCB to `{}`'.format(fname))
        GS.board.Save(fname)
        # Copy the project: avoids warnings, could carry some options
        fproj = self._copy_project(fname)
        self.uncross_modules(board, comps_hash)
        self.restore_paste_and_glue(board, comps_hash)
        return fname, fproj

    def get_targets(self, out_dir, layers):
        layers = Layer.solve(layers)
        id = '+'.join([la.suffix for la in layers])
        return [self.expand_filename(out_dir, self.output, id, 'pdf')]

    def run(self, output_dir, layers):
        super().run(layers)
        check_script(CMD_PCBNEW_PRINT_LAYERS, URL_PCBNEW_PRINT_LAYERS, '1.5.2')
        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(['--scaling', str(self.scaling), '--pads', str(self._drill_marks)])
        if not self.plot_sheet_reference:
            cmd.append('--no-title')
        if self.monochrome:
            cmd.append('--monochrome')
        if self.separated:
            cmd.append('--separate')
        if self.mirror:
            cmd.append('--mirror')
        board_name, proj_name = self.filter_components(GS.board)
        cmd.extend([board_name, 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
        ret = exec_with_retry(cmd)
        # Remove the temporal PCB
        if board_name != GS.pcb_file:
            os.remove(board_name)
            if proj_name:
                os.remove(proj_name)
        if ret:  # pragma: no cover (Internal)
            # 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 """

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

    def get_targets(self, out_dir):
        return self.options.get_targets(out_dir, self.layers)

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