import string

from Mods.ModMenu import Options
from Mods.coroutines import PostRenderCoroutine
from .canvas import Canvas, HorizontalAlign, VerticalAlign, relative_to_screen_coordinates
from .fonts import Fonts

show_examples = Options.Boolean("Show Examples", "Display examples of the CanvasLIB functions.", StartingValue=False)
show_fonts = Options.Boolean("Show Fonts", "Display font examples.", StartingValue=False)
show_aligns = Options.Boolean("Show Aligns", "Display examples of alignments.", StartingValue=False)
show_rects = Options.Boolean("Show Rects", "Display examples of rectangles.", StartingValue=False)
show_lines = Options.Boolean("Show Lines", "Display examples of lines.", StartingValue=False)

options = Options.Nested(
    "Examples", "Examples for the CanvasLIB functions.",
    Children=[show_examples, show_fonts, show_aligns, show_rects, show_lines]
)

_all_fonts = [
    ("Default__Font", Fonts.Default__Font,),
    ("Default__MultiFont", Fonts.Default__MultiFont,),
    ("TinyFont", Fonts.TinyFont,),
    ("SmallFont", Fonts.SmallFont,),
    ("Font_Hud_Medium", Fonts.Font_Hud_Medium,),
    ("font_xbox18", Fonts.font_xbox18,),
    ("font_ps3", Fonts.font_ps3,),
    ("Font_Willowbody_18pt", Fonts.Font_Willowbody_18pt,),
    ("Font_Willowhead_8pt", Fonts.Font_Willowhead_8pt,),
    ("Font_Willowbody_18pt_KOR", Fonts.Font_Willowbody_18pt_KOR,),
    ("Font_Willowbody_18pt_JPN", Fonts.Font_Willowbody_18pt_JPN,),
    ("Font_Willowbody_18pt_TWN", Fonts.Font_Willowbody_18pt_TWN),
]


def _show_fonts(c: Canvas, some_text: str) -> None:
    y = 0.1
    for font_name, f in _all_fonts:
        c.font = Fonts.SmallFont
        x, _ = c.draw_text(
            f"{font_name}: ", 0, y, horizontal_align=HorizontalAlign.LEFT,
            vertical_align=VerticalAlign.TOP,
            color=(255, 255, 255, 255)
        )
        c.font = f
        y_before = y
        _, y = c.draw_text(
            some_text, x, y, horizontal_align=HorizontalAlign.LEFT, vertical_align=VerticalAlign.TOP,
            color=(255, 255, 255, 255)
        )
        if y - y_before < 30:
            y += 30


def _show_aligns(c: Canvas) -> None:
    c.font = Fonts.Font_Willowbody_18pt_KOR
    c.set_draw_color(255, 255, 0, 255)
    c.draw_text(
        "Align TOP LEFT", 0, 0, horizontal_align=HorizontalAlign.LEFT, vertical_align=VerticalAlign.TOP,
    )
    c.draw_text(
        "Align TOP CENTER", 0.5, 0, horizontal_align=HorizontalAlign.CENTER, vertical_align=VerticalAlign.TOP,
    )
    c.draw_text(
        "Align TOP RIGHT", 1, 0, horizontal_align=HorizontalAlign.RIGHT, vertical_align=VerticalAlign.TOP,
    )
    c.draw_text(
        "Align CENTER LEFT", 0, 0.5, horizontal_align=HorizontalAlign.LEFT, vertical_align=VerticalAlign.CENTER,
    )
    c.draw_text(
        "Align CENTER CENTER", 0.5, 0.5, horizontal_align=HorizontalAlign.CENTER,
        vertical_align=VerticalAlign.CENTER,
    )
    c.draw_text(
        "Align CENTER RIGHT", 1, 0.5, horizontal_align=HorizontalAlign.RIGHT,
        vertical_align=VerticalAlign.CENTER,
    )
    c.draw_text(
        "Align BOTTOM LEFT", 0, 1, horizontal_align=HorizontalAlign.LEFT, vertical_align=VerticalAlign.BOTTOM,
    )
    c.draw_text(
        "Align BOTTOM CENTER", 0.5, 1, horizontal_align=HorizontalAlign.CENTER,
        vertical_align=VerticalAlign.BOTTOM,
    )
    c.draw_text(
        "Align BOTTOM RIGHT", 1, 1, horizontal_align=HorizontalAlign.RIGHT, vertical_align=VerticalAlign.BOTTOM,
    )


def _show_rect(c: Canvas) -> None:
    c.draw_rect(
        0.4, 0.5, 0.1, 0.1, horizontal_align=HorizontalAlign.CENTER, vertical_align=VerticalAlign.CENTER,
        color=(255, 0, 0, 100)
    )
    c.draw_rect(
        0.5, 0.5, 0.2, 0.1, horizontal_align=HorizontalAlign.CENTER, vertical_align=VerticalAlign.CENTER,
        color=(0, 255, 0, 100)
    )
    c.draw_rect(
        0.6, 0.5, 0.1, 0.1, horizontal_align=HorizontalAlign.CENTER, vertical_align=VerticalAlign.CENTER,
        color=(0, 0, 255, 100)
    )


def _show_lines(c: Canvas) -> None:
    c.draw_line(0.4, 0.5, 0.6, 0.5, width=10, color=(255, 255, 255, 255))
    c.draw_line(0.5, 0.4, 0.5, 0.6, width=10, color=(255, 255, 255, 255))

    c.draw_line(0.4, 0.4, 0.6, 0.6, color=(255, 255, 0, 255))
    c.draw_line(0.4, 0.6, 0.6, 0.4, color=(255, 255, 0, 255))

    center_x, center_y = relative_to_screen_coordinates(c.canvas, 0.5, 0.5)
    c.draw_line(center_x - 50, center_y - 50, center_x + 50, center_y + 50, width=4, color=(0, 0, 255, 255))
    c.draw_line(center_x - 50, center_y + 50, center_x + 50, center_y - 50, width=4, color=(0, 0, 255, 255))


def examples_coroutine() -> PostRenderCoroutine:
    some_text = string.printable.replace("\n", "").replace("\r", "")
    while True:
        yield None
        _c = yield
        with Canvas(_c) as c:
            if show_fonts.CurrentValue is True:
                _show_fonts(c, some_text)
            if show_aligns.CurrentValue is True:
                _show_aligns(c)
            if show_rects.CurrentValue is True:
                _show_rect(c)
            if show_lines.CurrentValue is True:
                _show_lines(c)
        if show_examples.CurrentValue is False:
            return None