from pathlib import Path

import live

HERE = Path(__file__).parent
# One crop around the casting hand, two questions. The page (static/spell.js) turns the element odds into the
# spell: pure, a combo of the top two, or unstable when nothing is above 40%. The menus ask about the object
# only, never about the person.
STATE = ("A close crop around a player's hand from a live webcam, in a spell-casting game. "
         "The hand may hold an object.")
HELD = {
    "empty": "nothing, an empty hand", "cup": "a mug, cup or glass", "bottle": "a bottle or can of drink",
    "plant": "a plant, flower or leaves", "fruit": "a fruit or vegetable", "flame": "a lighter, candle or match",
    "phone": "a phone, remote or small electronic device", "cable": "a cable, charger or battery",
    "pen": "a pen, pencil or brush", "paper": "a book, paper or card", "metal": "keys, coins or a metal tool",
    "toy": "a toy, figurine or plush", "pet": "a live pet", "food": "a snack or food",
    "stone": "a stone, crystal or shell", "ice": "ice, ice cream, something frozen or a cold pack",
    "fabric": "a cloth, scarf or feather", "other": "something else",
}
# Each element names everyday objects, so the answer follows the object and not the room: a first version
# without them read a screen or a face behind the hand as lightning or wind.
ELEMENT = {
    "fire": "fire: flames, lighters, candles, matches, hot drinks, chilli, and red or orange things "
            "(a red mug, a tomato, an orange toy)",
    "water": "water: water bottles, glasses of water, soap, fish, and blue things (a blue cup, a blue bottle)",
    "nature": "nature: plants, leaves, flowers, fruit, vegetables, wood, and green things (an apple, a banana, a pot plant)",
    "lightning": "lightning: phones, batteries, cables, chargers, remotes, torches, and yellow things",
    "ice": "ice: ice, ice cream, frozen food, glass, and white or clear things (a white mug, an empty glass)",
    "earth": "earth: stones, keys, coins, metal tools, pens, clay, and brown or grey things (a wallet, a spoon)",
    "air": "wind: paper, books, feathers, tissues, fabric, balloons, and other light things",
    "shadow": "shadow: black things (sunglasses, a black mug, a black glove, a dark cloth), or an empty hand",
}


def questions(context):
    if context.get("images") != 1:
        raise ValueError("Send one crop.")
    return STATE, {
        "held": {"type": "choice", "instructions": "What is the hand holding?", "criteria": dict(HELD)},
        "element": {"type": "choice",
                    "instructions": "The object in the hand powers a spell. Which element does that object belong to, "
                                    "judging by what it is, its material, colour and use? Judge only the held object: "
                                    "ignore the background, any screen, and the person.",
                    "criteria": dict(ELEMENT)},
    }


app = live.make_app(questions, HERE / "static")