# pylint: disable=E0602

import os
import tools, models

TREZOR_MODEL = ARGUMENTS.get('TREZOR_MODEL', 'T')
CMAKELISTS = int(ARGUMENTS.get('CMAKELISTS', 0))
HW_REVISION = ARGUMENTS.get('HW_REVISION', None)
NEW_RENDERING = ARGUMENTS.get('NEW_RENDERING', '1') == '1'

if TREZOR_MODEL in ('DISC1', 'DISC2'):
    # skip reflash build
    env = Environment()
    def build_reflash(target,source,env):
        print(f'Reflash: nothing to build for Model {TREZOR_MODEL}')
    program_bin = env.Command(
                 target='reflash.bin',
                 source=None,
                 action=build_reflash)
    Return()

FEATURES_WANTED = ["input", "sd_card"]

if NEW_RENDERING:
    FEATURES_WANTED.append("new_rendering")

CCFLAGS_MOD = ''
CPPPATH_MOD = []
CPPDEFINES_MOD = []
SOURCE_MOD = []
SOURCE_MOD_CRYPTO = []
CPPDEFINES_HAL = []
SOURCE_HAL = []
PATH_HAL = []

if TREZOR_MODEL in ('R', 'T3B1'):
    FONT_NORMAL=None
    FONT_DEMIBOLD=None
    FONT_BOLD='Font_PixelOperator_Bold_8'
    FONT_MONO=None
    FONT_BIG=None
    FONT_NORMAL_UPPER=None
    FONT_BOLD_UPPER=None
    FONT_SUB=None
elif TREZOR_MODEL in ('T',):
    FONT_NORMAL=None
    FONT_DEMIBOLD=None
    FONT_BOLD='Font_Roboto_Bold_20'
    FONT_MONO=None
    FONT_BIG=None
    FONT_NORMAL_UPPER=None
    FONT_BOLD_UPPER=None
    FONT_SUB=None
elif TREZOR_MODEL in ('T3T1',):
    FONT_NORMAL=None
    FONT_DEMIBOLD=None
    FONT_BOLD='Font_TTSatoshi_DemiBold_21'
    FONT_MONO=None
    FONT_BIG=None
    FONT_NORMAL_UPPER=None
    FONT_BOLD_UPPER=None
    FONT_SUB=None

CPPDEFINES_MOD += [
    'KERNEL_MODE',
]

# modtrezorcrypto
CPPPATH_MOD += [
    'vendor/trezor-crypto',
    'vendor/trezor-storage',
]
SOURCE_MOD_CRYPTO += [
    'vendor/trezor-crypto/memzero.c',
]

# modtrezorui
CPPPATH_MOD += [
        'vendor/micropython/lib/uzlib',
]
SOURCE_MOD += [
    'embed/lib/colors.c',
    'embed/lib/display_utils.c',
    'embed/lib/error_handling.c',
    'embed/lib/fonts/font_bitmap.c',
    'embed/lib/fonts/fonts.c',
    'embed/lib/gfx_color.c',
    'embed/lib/gfx_bitblt_mono8.c',
    'embed/lib/gfx_bitblt_rgb565.c',
    'embed/lib/gfx_bitblt_rgba8888.c',
    'embed/lib/image.c',
    'embed/lib/mini_printf.c',
    'embed/lib/rsod.c',
    'embed/lib/terminal.c',
    'vendor/micropython/lib/uzlib/adler32.c',
    'vendor/micropython/lib/uzlib/crc32.c',
    'vendor/micropython/lib/uzlib/tinflate.c',
    'vendor/trezor-storage/flash_area.c',
]

if NEW_RENDERING:
    CPPDEFINES_MOD += ['NEW_RENDERING']
    SOURCE_MOD += [
        'embed/lib/gfx_draw.c',
    ]
else:
    SOURCE_MOD += [
        'embed/lib/display_draw.c',
    ]


# fonts
tools.add_font('NORMAL', FONT_NORMAL, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BOLD', FONT_BOLD, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('DEMIBOLD', FONT_DEMIBOLD, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('MONO', FONT_MONO, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BIG', FONT_BIG, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('NORMAL_UPPER', FONT_NORMAL_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('BOLD_UPPER', FONT_BOLD_UPPER, CPPDEFINES_MOD, SOURCE_MOD)
tools.add_font('SUB', FONT_SUB, CPPDEFINES_MOD, SOURCE_MOD)

env = Environment(
    ENV=os.environ,
    CFLAGS='%s -DPRODUCTION=%s' % (ARGUMENTS.get('CFLAGS', ''), ARGUMENTS.get('PRODUCTION', '0')),
    CPPDEFINES_IMPLICIT=[]
    )

FEATURES_AVAILABLE = models.configure_board(TREZOR_MODEL, HW_REVISION, FEATURES_WANTED, env, CPPDEFINES_HAL, SOURCE_HAL, PATH_HAL)

FILE_SUFFIX= env.get('ENV')['SUFFIX']

SOURCE_REFLASH = [
    f'embed/trezorhal/{FILE_SUFFIX}/startup_stage_2.s',
    'embed/reflash/header.S',
    'embed/reflash/main.c',
]

env.Replace(
    CAT='cat',
    CP='cp',
    AS='arm-none-eabi-as',
    AR='arm-none-eabi-ar',
    CC='arm-none-eabi-gcc',
    LINK='arm-none-eabi-gcc',
    SIZE='arm-none-eabi-size',
    STRIP='arm-none-eabi-strip',
    OBJCOPY='arm-none-eabi-objcopy',
    PYTHON='python',
    MAKECMAKELISTS='$PYTHON tools/make_cmakelists.py',)

env.Replace(
    TREZOR_MODEL=TREZOR_MODEL, )

env.Replace(
    COPT=env.get('ENV').get('OPTIMIZE', '-Os'),
    CCFLAGS='$COPT '
    '-g3 '
    '-nostdlib '
    '-std=gnu11 -Wall -Werror -Wdouble-promotion -Wpointer-arith -Wno-missing-braces -fno-common '
    '-fsingle-precision-constant -fdata-sections -ffunction-sections '
    '-ffreestanding '
    '-fstack-protector-all '
    +  env.get('ENV')["CPU_CCFLAGS"] + CCFLAGS_MOD,
    CCFLAGS_QSTR='-DNO_QSTR -DN_X64 -DN_X86 -DN_THUMB',
    LINKFLAGS=f'-T build/reflash/memory.ld -Wl,--gc-sections -Wl,-Map=build/reflash/reflash.map -Wl,--warn-common',
    CPPPATH=[
        'embed/reflash',
        'embed/lib',
        'embed/models',
        'embed/trezorhal',
        'embed/extmod/modtrezorui',
    ] + CPPPATH_MOD + PATH_HAL,
    CPPDEFINES=[
        'TREZOR_MODEL_'+TREZOR_MODEL,
        'USE_HAL_DRIVER',
    ] + CPPDEFINES_MOD + CPPDEFINES_HAL,
    ASFLAGS=env.get('ENV')['CPU_ASFLAGS'],
    ASPPFLAGS='$CFLAGS $CCFLAGS',
    )

env.Replace(
    HEADERTOOL='headertool',
)

env.Replace(
    ALLSOURCES=SOURCE_MOD + SOURCE_MOD_CRYPTO + SOURCE_REFLASH + SOURCE_HAL,
    ALLDEFS=tools.get_defs_for_cmake(env['CPPDEFINES'] + env['CPPDEFINES_IMPLICIT']))

cmake_gen = env.Command(
    target='CMakeLists.txt',
    source='',
    action='$MAKECMAKELISTS --sources $ALLSOURCES --dirs $CPPPATH --defs $ALLDEFS',
)

#
# Program objects
#

obj_program = []
obj_program += env.Object(source=SOURCE_MOD)
obj_program += env.Object(source=SOURCE_MOD_CRYPTO, CCFLAGS='$CCFLAGS -ftrivial-auto-var-init=zero')
obj_program += env.Object(source=SOURCE_REFLASH)
obj_program += env.Object(source=SOURCE_HAL)

MODEL_IDENTIFIER = models.get_model_identifier(TREZOR_MODEL)

VENDORHEADER = f'embed/models/{MODEL_IDENTIFIER}/vendorheader/vendorheader_' + ('unsafe_signed_dev.bin' if ARGUMENTS.get('PRODUCTION', '0') == '0' else 'satoshilabs_signed_prod.bin')

obj_program.extend(
    env.Command(
        target='embed/reflash/vendorheader.o',
        source=VENDORHEADER,
        action='$OBJCOPY -I binary -O elf32-littlearm -B arm'
        ' --rename-section .data=.vendorheader,alloc,load,readonly,contents'
        ' $SOURCE $TARGET', ))

linkerscript_gen = env.Command(
    target='memory.ld',
    source=[f'embed/models/{MODEL_IDENTIFIER}/memory.ld',  env.get('ENV')['LINKER_SCRIPT'].format(target='prodtest')],
    action='$CAT $SOURCES > $TARGET',
)

program_elf = env.Command(
    target='reflash.elf',
    source=obj_program,
    action=
    '$LINK -o $TARGET $CCFLAGS $CFLAGS $LINKFLAGS $SOURCES -lc_nano -lgcc',
)

env.Depends(program_elf, linkerscript_gen)

BINARY_NAME = f"build/reflash/reflash-{models.get_model_identifier(TREZOR_MODEL)}"
BINARY_NAME += "-" + tools.get_version('embed/reflash/version.h')
BINARY_NAME += "-" + tools.get_git_revision_short_hash()
BINARY_NAME += "-dirty" if tools.get_git_modified() else ""
BINARY_NAME += ".bin"

if CMAKELISTS != 0:
    env.Depends(program_elf, cmake_gen)

program_bin = env.Command(
    target='reflash.bin',
    source=program_elf,
    action=[
        '$OBJCOPY -O binary -j .vendorheader -j .header -j .flash -j .data -j .confidential $SOURCE $TARGET',
        '$HEADERTOOL $TARGET ' + ('-D' if ARGUMENTS.get('PRODUCTION', '0') == '0' else ''),
        '$CP $TARGET ' + BINARY_NAME,
    ], )