import spimdisasm
from util import symbols
from typing import Optional, Set, Tuple
from segtypes.segment import Segment
from util import log, options, symbols


from abc import ABC, abstractmethod
from typing import Callable


class DisassemblerSection(ABC):
    @abstractmethod
    def disassemble(self):
        raise NotImplementedError("disassemble")

    @abstractmethod
    def analyze(self):
        raise NotImplementedError("analyze")

    @abstractmethod
    def set_comment_offset(self, rom_start: int):
        raise NotImplementedError("set_comment_offset")

    @abstractmethod
    def make_bss_section(
        self,
        rom_start,
        rom_end,
        vram_start,
        bss_end,
        name,
        segment_rom_start,
        exclusive_ram_id,
    ):
        raise NotImplementedError("make_bss_section")

    @abstractmethod
    def make_data_section(
        self,
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    ):
        raise NotImplementedError("make_data_section")

    @abstractmethod
    def get_section(self):
        raise NotImplementedError("get_section")

    @abstractmethod
    def make_rodata_section(
        self,
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    ):
        raise NotImplementedError("make_rodata_section")

    @abstractmethod
    def make_text_section(
        self,
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    ):
        raise NotImplementedError("make_text_section")


class SpimdisasmDisassemberSection(DisassemblerSection):
    def __init__(self):
        self.spim_section: Optional[spimdisasm.mips.sections.SectionBase] = None

    def disassemble(self) -> str:
        assert self.spim_section is not None
        return self.spim_section.disassemble()

    def analyze(self):
        assert self.spim_section is not None
        self.spim_section.analyze()

    def set_comment_offset(self, rom_start: int):
        assert self.spim_section is not None
        self.spim_section.setCommentOffset(rom_start)

    def make_bss_section(
        self,
        rom_start: int,
        rom_end: int,
        vram_start: int,
        bss_end: int,
        name: str,
        segment_rom_start: int,
        exclusive_ram_id,
    ):
        self.spim_section = spimdisasm.mips.sections.SectionBss(
            symbols.spim_context,
            rom_start,
            rom_end,
            vram_start,
            bss_end,
            name,
            segment_rom_start,
            exclusive_ram_id,
        )

    def make_data_section(
        self,
        rom_start: int,
        rom_end: int,
        vram_start: int,
        name: str,
        rom_bytes: bytes,
        segment_rom_start: int,
        exclusive_ram_id,
    ):
        self.spim_section = spimdisasm.mips.sections.SectionData(
            symbols.spim_context,
            rom_start,
            rom_end,
            vram_start,
            name,
            rom_bytes,
            segment_rom_start,
            exclusive_ram_id,
        )

    def get_section(self) -> Optional[spimdisasm.mips.sections.SectionBase]:
        return self.spim_section

    def make_rodata_section(
        self,
        rom_start: int,
        rom_end: int,
        vram_start: int,
        name: str,
        rom_bytes: bytes,
        segment_rom_start: int,
        exclusive_ram_id,
    ):
        self.spim_section = spimdisasm.mips.sections.SectionRodata(
            symbols.spim_context,
            rom_start,
            rom_end,
            vram_start,
            name,
            rom_bytes,
            segment_rom_start,
            exclusive_ram_id,
        )

    def make_text_section(
        self,
        rom_start: int,
        rom_end: int,
        vram_start: int,
        name: str,
        rom_bytes: bytes,
        segment_rom_start: int,
        exclusive_ram_id,
    ):
        self.spim_section = spimdisasm.mips.sections.SectionText(
            symbols.spim_context,
            rom_start,
            rom_end,
            vram_start,
            name,
            rom_bytes,
            segment_rom_start,
            exclusive_ram_id,
        )


def make_disassembler_section() -> Optional[SpimdisasmDisassemberSection]:
    if options.opts.platform in ["n64", "psx", "ps2"]:
        return SpimdisasmDisassemberSection()

    raise NotImplementedError("No disassembler section for requested platform")
    return None


def make_text_section(
    rom_start: int,
    rom_end: int,
    vram_start: int,
    name: str,
    rom_bytes: bytes,
    segment_rom_start: int,
    exclusive_ram_id,
) -> DisassemblerSection:
    section = make_disassembler_section()
    assert section is not None
    section.make_text_section(
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    )
    return section


def make_data_section(
    rom_start: int,
    rom_end: int,
    vram_start: int,
    name: str,
    rom_bytes: bytes,
    segment_rom_start: int,
    exclusive_ram_id,
) -> DisassemblerSection:
    section = make_disassembler_section()
    assert section is not None
    section.make_data_section(
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    )
    return section


def make_rodata_section(
    rom_start: int,
    rom_end: int,
    vram_start: int,
    name: str,
    rom_bytes: bytes,
    segment_rom_start: int,
    exclusive_ram_id,
) -> DisassemblerSection:
    section = make_disassembler_section()
    assert section is not None
    section.make_rodata_section(
        rom_start,
        rom_end,
        vram_start,
        name,
        rom_bytes,
        segment_rom_start,
        exclusive_ram_id,
    )
    return section


def make_bss_section(
    rom_start: int,
    rom_end: int,
    vram_start: int,
    bss_end: int,
    name: str,
    segment_rom_start: int,
    exclusive_ram_id,
) -> DisassemblerSection:
    section = make_disassembler_section()
    assert section is not None
    section.make_bss_section(
        rom_start,
        rom_end,
        vram_start,
        bss_end,
        name,
        segment_rom_start,
        exclusive_ram_id,
    )
    return section