from typing import Any
import nazca as nd
from .Foundry import Foundry
from .layer_models import LayerSpec

class CT_CU3ML(Foundry) :

    ## Generall parameters
    STD_SMWG_WIDTH = 0.45
    SLAB_GROWTH = 2
    W_METAL_MIN = 5
    SPACING_HEATER_MIN = 2
    SPACING_METAL_MIN = 4
    W_HEATER_MIN = 3

    lib_path = 'GDS_lib\\'

    # show_pins = False
    
    LAYERS = {

        'RIB' : LayerSpec('RIB', (275,0), aliases=('STRIP_COR',)),

        'GRAT' : LayerSpec('GRAT', (407,0), aliases=('SRIB_COR',)),

        'SLAB' : LayerSpec('SLAB', (406,0), aliases=('RIB_COR',)),

        'NitrideWG' : LayerSpec('NitrideWG', (263,0), aliases=('SINWG',)),
        'NitrideWG_RIB' : LayerSpec('NitrideWG_RIB', (415,0), aliases=('RIB_SIN',), description='Legacy map used NitrideWG for this layer.'),

        'TIN' : LayerSpec('TIN', (398,0), aliases=('HEATER',)),

        'ContSi' : LayerSpec('ContSi', (268,0), aliases=('VIA_S2M',)),
        'ContGe' : LayerSpec('ContGe', (35,0), aliases=('VIA_G2M',)),
        # 'VIA1' : LayerSpec('VIA1', (85,0), aliases=('VIA_H2M',)),
        'VIA1' : LayerSpec('VIA1', (85,0), aliases=('VIA_M2M',)),
        'VIA2' : LayerSpec('VIA2', (86,0), aliases=('VIA_M2M_2',)),
        'VIA3' : LayerSpec('VIA3', (419,0), aliases=('VIA_M2M_3',)),

        'M1' : LayerSpec('M1', (6,0), aliases=('METAL',)),
        'M2' : LayerSpec('M2', (86,0), aliases=('METAL_2',)),
        'M3' : LayerSpec('M3', (27,0), aliases=('METAL_3','PAD')),

        'BEOL_N0_RMV' : LayerSpec('BEOL_N0_RMV', (283,0), aliases=('N0RMV',)),
        'BEOL_N1_RMV' : LayerSpec('BEOL_N1_RMV', (289,0), aliases=('N1RMV',)),
        'BEOL_N2_RMV' : LayerSpec('BEOL_N2_RMV', (290,0), aliases=('N2RMV',)),
        'BEOL_N3_RMV' : LayerSpec('BEOL_N3_RMV', (291,0), aliases=('N3RMV',)),

        'SIN_RMV' : LayerSpec('SIN_RMV', (483,0), aliases=('PAD_OPEN',)),

        'DT' : LayerSpec('DT', (404,0), aliases=('ISL',)),

        ### Active part
        'P'   : (256,0),
        'N'   : (257,0),
        'P+'  : (258,0),
        'N+'  : (259,0),
        'P++' : (260,0),
        'N++' : (261,0),

        'GePD' : LayerSpec('GePD', (262,0), aliases=('GE',)),
        'GeN+' : LayerSpec('GeN+', (265,0), aliases=('GN+',)),
        'GeP+' : LayerSpec('GeP+', (266,0), aliases=('GP+',)),
        'GeWindow' : LayerSpec('GeWindow', (264,0), aliases=('GW',)),
    }

    ROLES = {}

    def __init__(self, layermap: Any=None, roles: Any=None) -> None:
        super().__init__(layermap=layermap or self.LAYERS, roles=roles or self.ROLES)
        self._add_xsection_(xsection='strip',layers=['STRIP_COR'],growth=[0])
        self._add_xsection_(xsection='rib',layers=['STRIP_COR','RIB_COR'],growth=[0,4])  ## Slab waveguide
        self._add_xsection_(xsection='rib_s',layers=['STRIP_COR','SRIB_COR'],growth=[0,4])  ## Slab waveguide
        self._add_xsection_(xsection='isl',layers=['ISL'],growth=[0])
        # self._add_xsection_(xsection='sn',layers=['SINWG1','SINWIN1'],growth=[0,21])

        self._add_xsection_(xsection='pad',layers=['METAL_3','PAD_OPEN'],growth=[0,-2.5])  ## DRC 4.2 - [AMF-QP-RND-006]