import pygame
import os
from enum import Enum

from ui.button import Button
from ui.input_box import InputBox

# VARIABLE STARTS WITH ... IF IT'S
# V         a value like a string or an int
# STRUCT    a list or other structure of values
# FUNC      a function
# OBJ       a classes instance
# ASSET     a png file (or other graphic format) (moved to asset_constants)
# MAP       a JSON map file


# ================= #
# === VARIABLES === #
# ================= #

V_NAME_OF_WINDOW = "MineFusion TM"
V_FPS = 60

EXPLOSION_PENALTY = 200

ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
DIR_ASSETS = os.path.join(ROOT_DIR, "resources", "assets")

# If below 1, in-game second flies faster than the real one
TURN_INTERVAL = 0.5  # interval between two turns in seconds

V_TILE_SIZE = 60
V_GRID_VER_TILES = 10  # vertical (number of rows)
V_GRID_HOR_TILES = 10  # horizontal (number of columns)
V_SCREEN_PADDING = 10
V_NUMBER_PADDING = 50
V_TILE_AREA_HEIGHT = V_TILE_SIZE * V_GRID_VER_TILES
V_TILE_AREA_WIDTH = V_TILE_SIZE * V_GRID_HOR_TILES

# side menu values
V_SIDE_MENU_WIDTH = 80
V_INPUT_BOX_HEIGHT = 55
V_BUTTON_HEIGHT = 40

SCREEN_WIDTH = V_TILE_AREA_WIDTH + 2 * V_SCREEN_PADDING + V_NUMBER_PADDING + V_SIDE_MENU_WIDTH + 10
SCREEN_HEIGHT = V_TILE_AREA_HEIGHT + 2 * V_SCREEN_PADDING + V_NUMBER_PADDING

SCREEN = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
EXPLOSIONS = pygame.sprite.Group()


# =============== #
# ==== ENUMS ==== #
# =============== #

class Direction(Enum):
    UP = 0
    RIGHT = 1
    DOWN = 2
    LEFT = 3

    def next(self):
        v = (self.value + 1) % 4
        return Direction(v)

    def previous(self):
        v = (self.value - 1) % 4
        return Direction(v)


class Action(Enum):
    ROTATE_LEFT = 0
    ROTATE_RIGHT = 1
    GO = 2


class Digit(Enum):
    ONES = 0
    TENS = 1
    MINUTES = 2


class Coords(Enum):
    X = 0
    Y = 1


class Terrain(Enum):
    CONCRETE = 2
    GRASS = 5
    MUD = 8
    MINE = 500


# =============== #
# === STRUCTS === #
# =============== #

# # NORMAL STRUCTS

# # USED BY JSON GENERATOR

# used to generate random tile colors
STRUCT_TILE_TERRAINS = ["CONCRETE", "GRASS", "MUD"]

# used to generate random mines and create not random mines
STRUCT_MINE_TYPES = ["standard", "chained", "time"]

# values that are predefined for certain mine types and can't be changed by changing any parameters
# put here all dict keys that have hardcoded values and are not supposed to be editable
HARDCODED_VALUES = ["mine_type"]

# default values and key-value pairs for JsonGenerator class
# when defining a new mine it's dict template must be put here
STRUCT_MINE_ATTRIBUTES = {
    "standard": {
        "mine_type": "standard"
    },
    "chained": {
        "mine_type": "chained",
        "predecessor": None
    },
    "time": {
        "mine_type": "time",
        "timer": None
    }
}

# types of attributes the mines have
# used for random mine generation
# int - integral number
STRUCT_MINE_ATTRIBUTE_TYPES = {
    "standard": [],
    "chained": [],
    "time": [int]
}


# ============== #
# ==== FUNC ==== #
# ============== #

def get_tile_coordinates(position):
    row, column = position
    padding = V_SCREEN_PADDING + V_NUMBER_PADDING

    return tuple((padding + column * V_TILE_SIZE, padding + row * V_TILE_SIZE))


# ============= #
# ==== OBJ ==== #
# ============= #

# initializing pygame modules so all instances can be constructed properly
pygame.init()

# creating old ui components used in menu
HIGHLIGHT = pygame.transform.scale(
    pygame.image.load(os.path.join(DIR_ASSETS, "old_tiles/tile_white.png")),
    (V_TILE_SIZE, V_TILE_SIZE)
)
HIGHLIGHT.set_alpha(100)

MINE_INACTIVE = pygame.transform.scale(
    pygame.image.load(os.path.join(DIR_ASSETS, "old_tiles/tile_black.png")),
    (V_TILE_SIZE, V_TILE_SIZE)
)
MINE_INACTIVE.set_alpha(160)


# ============== #
# ==== MAPS ==== #
# ============== #

MAP_RANDOM_10x10 = os.path.join("resources", "minefields", "fourthmap.json")