"""All code associated with updating textures for puzzles."""

from randomizer.Settings import Settings
from randomizer.Patching.Library.Image import writeColorImageToROM, TextureFormat, getImageFile, getNumberImage
from randomizer.Patching.Patcher import LocalROM
from PIL import Image


def updateMillLeverTexture(settings: Settings, ROM_COPY: LocalROM) -> None:
    """Update the 21132 texture."""
    if settings.mill_levers[0] > 0:
        # Get Number bounds
        base_num_texture = getImageFile(ROM_COPY, 25, 0x7CA, True, 64, 32, TextureFormat.RGBA5551)
        number_textures = [None, None, None]
        number_x_bounds = (
            (18, 25),
            (5, 16),
            (36, 47),
        )
        modified_tex = getImageFile(ROM_COPY, 25, 0x7CA, True, 64, 32, TextureFormat.RGBA5551)
        for tex in range(3):
            number_textures[tex] = base_num_texture.crop((number_x_bounds[tex][0], 7, number_x_bounds[tex][1], 25))
        total_width = 0
        for x in range(5):
            if settings.mill_levers[x] > 0:
                idx = settings.mill_levers[x] - 1
                total_width += number_x_bounds[idx][1] - number_x_bounds[idx][0]
        # Overwrite old panel
        overwrite_panel = Image.new(mode="RGBA", size=(58, 26), color=(131, 65, 24))
        modified_tex.paste(overwrite_panel, (3, 3), overwrite_panel)
        # Generate new number texture
        new_num_texture = Image.new(mode="RGBA", size=(total_width, 18))
        x_pos = 0
        for num in range(5):
            if settings.mill_levers[num] > 0:
                num_val = settings.mill_levers[num] - 1
                new_num_texture.paste(number_textures[num_val], (x_pos, 0), number_textures[num_val])
                x_pos += number_x_bounds[num_val][1] - number_x_bounds[num_val][0]
        scale_x = 58 / total_width
        scale_y = 26 / 18
        scale = min(scale_x, scale_y)
        x_size = int(total_width * scale)
        y_size = int(18 * scale)
        new_num_texture = new_num_texture.resize((x_size, y_size))
        x_offset = int((58 - x_size) / 2)
        modified_tex.paste(new_num_texture, (3 + x_offset, 3), new_num_texture)
        writeColorImageToROM(modified_tex, 25, 0x7CA, 64, 32, False, TextureFormat.RGBA5551, ROM_COPY)


def updateDiddyDoors(settings: Settings, ROM_COPY: LocalROM):
    """Update the textures for the doors."""
    enable_code = False
    for code in settings.diddy_rnd_doors:
        if sum(code) > 0:  # Has a non-zero element
            enable_code = True
    SEG_WIDTH = 48
    SEG_HEIGHT = 42
    NUMBERS_START = (27, 33)
    if enable_code:
        # Order: 4231, 3124, 1342
        starts = (0xCE8, 0xCE4, 0xCE0)
        for index, code in enumerate(settings.diddy_rnd_doors):
            start = starts[index]
            total = Image.new(mode="RGBA", size=(SEG_WIDTH * 2, SEG_HEIGHT * 2))
            for img_index in range(4):
                img = getImageFile(ROM_COPY, 25, start + img_index, True, SEG_WIDTH, SEG_HEIGHT, TextureFormat.RGBA5551)
                x_offset = SEG_WIDTH * (img_index & 1)
                y_offset = SEG_HEIGHT * ((img_index & 2) >> 1)
                total.paste(img, (x_offset, y_offset), img)
            total = total.transpose(Image.FLIP_TOP_BOTTOM)
            # Overlay color
            cover = Image.new(mode="RGBA", size=(42, 20), color=(115, 98, 65))
            total.paste(cover, NUMBERS_START, cover)
            # Paste numbers
            number_images = []
            number_offsets = []
            total_length = 0
            for num in code:
                num_img = getNumberImage(num + 1, ROM_COPY)
                w, h = num_img.size
                number_offsets.append(total_length)
                total_length += w
                number_images.append(num_img)
            total_numbers = Image.new(mode="RGBA", size=(total_length, 24))
            for img_index, img in enumerate(number_images):
                total_numbers.paste(img, (number_offsets[img_index], 0), img)
            total.paste(total_numbers, (SEG_WIDTH - int(total_length / 2), SEG_HEIGHT - 12), total_numbers)
            total = total.transpose(Image.FLIP_TOP_BOTTOM)
            for img_index in range(4):
                x_offset = SEG_WIDTH * (img_index & 1)
                y_offset = SEG_HEIGHT * ((img_index & 2) >> 1)
                sub_img = total.crop((x_offset, y_offset, x_offset + SEG_WIDTH, y_offset + SEG_HEIGHT))
                writeColorImageToROM(sub_img, 25, start + img_index, SEG_WIDTH, SEG_HEIGHT, False, TextureFormat.RGBA5551, ROM_COPY)


def updateCryptLeverTexture(settings: Settings, ROM_COPY: LocalROM) -> None:
    """Update the two textures for Donkey Minecart entry."""
    if settings.crypt_levers[0] > 0:
        # Get a blank texture
        texture_0 = getImageFile(ROM_COPY, 25, 0x999, True, 32, 64, TextureFormat.RGBA5551)
        blank = texture_0.crop((8, 5, 23, 22))
        texture_0.paste(blank, (8, 42), blank)
        texture_1 = texture_0.copy()
        for xi, x in enumerate(settings.crypt_levers):
            corrected = x - 1
            y_slot = corrected % 3
            num = getNumberImage(xi + 1, ROM_COPY)
            num = num.transpose(Image.FLIP_TOP_BOTTOM)
            w, h = num.size
            scale = 2 / 3
            y_offset = int((h * scale) / 2)
            x_offset = int((w * scale) / 2)
            num = num.resize((int(w * scale), int(h * scale)))
            y_pos = (51, 33, 14)
            tl_y = y_pos[y_slot] - y_offset
            tl_x = 16 - x_offset
            if corrected < 3:
                texture_0.paste(num, (tl_x, tl_y), num)
            else:
                texture_1.paste(num, (tl_x, tl_y), num)
        writeColorImageToROM(texture_0, 25, 0x99A, 32, 64, False, TextureFormat.RGBA5551, ROM_COPY)
        writeColorImageToROM(texture_1, 25, 0x999, 32, 64, False, TextureFormat.RGBA5551, ROM_COPY)