#!/usr/bin/python3

import os

MAX_ROWS = 9
MAX_COLS = 9
ICON_NAME_PREFIX = "workspace"

WORKSPACE_WIDTH = 50
WORKSPACE_HEIGHT = 50
STROKE_COLOR = "#bebebe"
STROKE_WIDTH = 5
BORDER_RADIUS = 10

with open("workspace_icon_template.data") as f:
    TEMPLATE = f.read()

def define_globals(data, width, height):
    data = data.replace("{{WIDTH}}", str(width))
    data = data.replace("{{HEIGHT}}", str(height))
    data = data.replace("{{STROKE_COLOR}}", STROKE_COLOR)
    data = data.replace("{{STROKE_WIDTH}}", str(STROKE_WIDTH))
    return data

def draw_outer_rectangle(data, width, height):
    data = data.replace("{{BORDER_RADIUS}}", str(BORDER_RADIUS))
    data = data.replace("{{RECTANGLE_X}}", str(STROKE_WIDTH / 2))
    data = data.replace("{{RECTANGLE_Y}}", str(STROKE_WIDTH / 2))
    data = data.replace("{{RECTANGLE_WIDTH}}", str(width - STROKE_WIDTH))
    data = data.replace("{{RECTANGLE_HEIGHT}}", str(height - STROKE_WIDTH))
    return data

def draw_line(is_horizontal, start_x, start_y, length):
    data = ""
    direction = "H" if is_horizontal else "V"
    data += f'<path style="fill:none;stroke:{STROKE_COLOR};'
    data += f'stroke-width:{STROKE_WIDTH}" '
    data += f'd="M {start_x},{start_y} {direction} {length}" />'
    return data

def draw_full_rect(x, y, width, height):
    data = ""
    data += f'<rect style="fill:{STROKE_COLOR}" '
    data += f'width="{width}" height="{height}" x="{x}" y="{y}" '
    data += '/>'
    return data

def draw_horizontal_lines(data, n_rows, width):
    row = 1
    while row < n_rows:
        data += draw_line(True, 0, row * WORKSPACE_HEIGHT, width)
        row += 1
    return data

def draw_vertical_lines(data, n_cols, height):
    col = 1
    while col < n_cols:
        data += draw_line(False, col * WORKSPACE_WIDTH, 0, height)
        col += 1
    return data

def draw_active_space(data, n_cols, index):
    active_row = index // n_cols
    active_col = index % n_cols
    x = active_col * WORKSPACE_WIDTH + STROKE_WIDTH / 2
    y = active_row * WORKSPACE_HEIGHT + STROKE_WIDTH / 2
    width = WORKSPACE_WIDTH - STROKE_WIDTH
    height = WORKSPACE_HEIGHT - STROKE_WIDTH
    data += draw_full_rect(x, y, width, height)
    return data

def generate_icons(n_rows, n_cols):
    for i in range(n_rows * n_cols):
        filename = f"{ICON_NAME_PREFIX}_{n_rows}x{n_cols}_{i + 1}.svg"
        width = n_cols * WORKSPACE_WIDTH
        height = n_rows * WORKSPACE_HEIGHT
        data = TEMPLATE
        data = define_globals(data, width, height)
        data = draw_outer_rectangle(data, width, height)
        data = draw_horizontal_lines(data, n_rows, width)
        data = draw_vertical_lines(data, n_cols, height)
        data = draw_active_space(data, n_cols, i)
        data += "</svg>"
        with open(filename, "w") as f:
            f.write(data)

if __name__ == "__main__":
    for N_ROWS in range(MAX_ROWS + 1):
        for N_COLS in range(MAX_COLS + 1):
            generate_icons(N_ROWS, N_COLS)