import bpy

card_x = 80
card_y = 10
card_z = 135

card_margin_x = 20
card_margin_z = 20

grid_x = 8 #22
grid_z = 2 #5

backplate_x = (card_x + card_margin_x) * grid_x + card_margin_x
backplate_y = 30
backplate_z = (card_z + card_margin_z) * grid_z + card_margin_z

backplate_glass_x = backplate_x
backplate_glass_y = 1
backplate_glass_z = backplate_z

def draw_backplate():
    bpy.ops.mesh.primitive_cube_add(location=(0, 0, 0), radius=1)
    bpy.ops.transform.resize(value=(backplate_x, backplate_y, backplate_z))

    backplate = bpy.context.scene.objects.active
    backplate.name = "Backplate"
    return backplate

def carve_cards(backplate):
    loc_x = -backplate_x + card_x + 2 * card_margin_x
    loc_y = backplate_y
    loc_z = -backplate_z + card_z + 2 * card_margin_z

    bpy.ops.mesh.primitive_cube_add(location=(loc_x, loc_y, loc_z), radius=1)
    bpy.ops.transform.resize(value=(card_x, 2 * card_y, card_z))
    carve_cards = bpy.context.scene.objects.active

    cards_x_modifier = carve_cards.modifiers.new(name="CardsXArray", type="ARRAY")
    cards_x_modifier.fit_type = "FIXED_COUNT"
    cards_x_modifier.count = grid_x
    cards_x_modifier.use_relative_offset = True
    cards_x_modifier.relative_offset_displace = ((card_x + card_margin_x) / card_x, 0, 0)

    cards_z_modifier = carve_cards.modifiers.new(name="CardsZArray", type="ARRAY")
    cards_z_modifier.fit_type = "FIXED_COUNT"
    cards_z_modifier.count = grid_z
    cards_z_modifier.use_relative_offset = True
    cards_z_modifier.relative_offset_displace = (0, 0, (card_z + card_margin_z) / card_z)

    backplate_modifier = backplate.modifiers.new(name="BackplateBoolean", type="BOOLEAN")
    backplate_modifier.operation = "DIFFERENCE"
    backplate_modifier.object = carve_cards

    bpy.context.scene.objects.active = backplate
    bpy.ops.object.modifier_apply(modifier=backplate_modifier.name)
    bpy.data.objects.remove(carve_cards, True)

def draw_cards():
    loc_x = -backplate_x + card_x + 2 * card_margin_x
    loc_y = backplate_y - card_y
    loc_z = -backplate_z + card_z + 2 * card_margin_z

    bpy.ops.mesh.primitive_cube_add(location=(loc_x, loc_y, loc_z), radius=1)
    bpy.ops.transform.resize(value=(card_x, card_y, card_z))
    cards = bpy.context.scene.objects.active
    cards.name = "Cards"

    cards_x_modifier = cards.modifiers.new(name="CardsXArray", type="ARRAY")
    cards_x_modifier.fit_type = "FIXED_COUNT"
    cards_x_modifier.count = grid_x
    cards_x_modifier.use_relative_offset = True
    cards_x_modifier.relative_offset_displace = ((card_x + card_margin_x) / card_x, 0, 0)

    cards_z_modifier = cards.modifiers.new(name="CardsZArray", type="ARRAY")
    cards_z_modifier.fit_type = "FIXED_COUNT"
    cards_z_modifier.count = grid_z
    cards_z_modifier.use_relative_offset = True
    cards_z_modifier.relative_offset_displace = (0, 0, (card_z + card_margin_z) / card_z)

    return cards

def draw_backplate_glass():
    bpy.ops.mesh.primitive_cube_add(location=(0, backplate_y + backplate_glass_y, 0), radius=1)
    bpy.ops.transform.resize(value=(backplate_glass_x, backplate_glass_y, backplate_glass_z))

    backplate_glass = bpy.context.scene.objects.active
    backplate_glass.name = "Backplate Glass"
    return backplate_glass

def main():
    backplate = draw_backplate()
    carve_cards(backplate)
    #draw_cards()
    draw_backplate_glass()

main()