import { JSX } from "preact";
import { Main, render_and_copy } from "./common.tsx";

const peopleify = (...people: string[]): string[] =>
    // non-breaking space v
    people.map(p => `${p}\u202fpeople`);

const animation_length = (num_items: number): number => /*num_items / 5*/ 3;

const wheel_style = (
    num_items: number,
    width?: number,
    shl?: number,
    n?: number
): JSX.CSSProperties => ({
    transform: `translateY(calc(2rem * -${num_items}))`,
    animation: `${animation_length(
        num_items
    )}s ease-in-out reverse none running spin`,

    width: width ? `width: ${width * 100}%` : undefined,
    marginLeft: shl && n ? `-${shl * (n + 1)}px` : undefined,
});

const get_delays = (...lengths: number[]): number[] => {
    const out = [0];
    for (const l of lengths) {
        out.push((out.at(-1) ?? 0) + animation_length(l));
    }
    return out;
};

const Wheel = ({
    items,
    width,
    calc_width,
    shl,
    n,
    classes,
}: {
    items: string[];
    width?: number;
    calc_width?: number;
    shl?: number;
    n?: number;
    classes: string[];
}) => (
    <details class="wheel" style={width ? `width: ${width * 100}%;` : ""}>
        <summary class={classes ? classes.join(" ") : ""}>
            {/* {...items.map((i: string) => <div class="wheel-item">{i}</div>)} */}
        </summary>
        <div
            class={`wheel-inner ${classes ? classes.join(" ") : ""}`}
            style={wheel_style(items.length, width)}
        >
            {/* <div class="wheel-item empty"></div> */}
            {...items.map((item, i) => (
                <div
                    class={`wheel-item ${i + 1 == items.length ? "last" : ""}`}
                    style={
                        calc_width && n
                            ? `margin-left: -${calc_width * n + (shl ?? 0)}px;`
                            : ""
                    }
                >
                    {item}
                </div>
            ))}
        </div>
    </details>
);

function slices<T>(arr: T[]): T[][] {
    return arr.map((_, i) => arr.slice(0, i));
}

function weird_slices<T>(arr: T[]): T[][] {
    console.log(arr.map(item => [...arr.filter(t => t != item), item]));
    return arr.map(item => [...arr.filter(t => t != item), item]);
}

const MultiWheel = ({
    items,
    calc_width,
    shl,
    type,
}: {
    items: string[];
    calc_width?: number;
    shl?: number;
    type: string;
}) => (
    <span class={`multiwheel ${type ? type : ""}`}>
        {...weird_slices(items).map((sliced_items, n) => (
            <Wheel
                items={sliced_items}
                width={1 / items.length}
                calc_width={calc_width}
                shl={shl}
                n={n}
                classes={[type]}
            />
        ))}
        <Wheel items={items} classes={["invisible", type]} />
    </span>
);

// i'll probably just hardcode the delays... lame but w/e
// nope
// it would be possible to have it so the final text is actually properyly selectable maybe but eh
const Take = ({
    subjects,
    objects,
    adjectives,
}: {
    subjects: string[];
    objects: string[];
    adjectives: string[];
}) => (
    <div class="take">
        <MultiWheel
            calc_width={11.4333}
            shl={46}
            type="subjects"
            items={subjects}
        />{" "}
        <div class="bridge">who eat</div>{" "}
        <MultiWheel calc_width={4.7} shl={40} type="objects" items={objects} />{" "}
        <div class="bridge">are</div>{" "}
        <MultiWheel calc_width={8} type="adjectives" items={adjectives} />
    </div>
);

const Checkmark = () => (
    <img
        class="checkmark"
        src="https://static.pyrope.net/white-twitter-checkmark.png"
        alt="the old, white twitter verified checkmark"
    />
);

const Author = () => (
    <div class="author">
        <img
            class="pfp"
            src="https://static.pyrope.net/phoebe_bridgers-pfp.jpg"
            alt="a picture of a blonde, white woman wearing a black coat and looking at her phone. presumably phoebe bridgers"
        />
        <div class="names">
            <div class="display-name">
                traitor joe <Checkmark />
            </div>
            <div class="username">@​phoebe_bridgers</div>
        </div>
    </div>
);

const Info = () => (
    <div class="info">
        <span class="time">10:02 PM</span> ·{" "}
        <span class="date">Feb 20, 2021</span> ·{" "}
        <span class="device">Twitter for iPhone</span>
    </div>
);

const Stats = () => (
    <div class="stats">
        <span class="retweets">
            <span class="stat">3,228</span> Retweets
        </span>
        <span class="quote-tweets">
            <span class="stat">803</span> Quote Tweets
        </span>
        <span class="likes">
            <span class="stat">39.3K</span> Likes
        </span>
    </div>
);

// might want to have the final item be seperate
// turned out to be unnecessary
render_and_copy(
    <Main>
        <Author />
        <Take
            subjects={peopleify(
                "poor",
                "fat",
                "dumb",
                "tall",
                "short",
                "poor",
                "fat",
                "dumb",
                "tall",
                "hot"
            )}
            objects={[
                "apples",
                "bread",
                "pasta",
                "candy",
                "rice",
                "beans",
                "apples",
                "bread",
                "candy",
                "rice",
                "beans",
                "apples",
                "bread",
                "pasta",
                "candy",
                "rice",
                "croissants",
            ]}
            adjectives={[
                "vibes",
                "mean",
                "dumb",
                "cool",
                "hot",
                "stupid",
                "funny",
                "vibes",
                "mean",
                "dumb",
                "cool",
                "hot",
                "stupid",
                "dangerous",
            ]}
        />
        <Info />
        <hr />
        <Stats />
        <hr />
        <div class="bottom"></div>
    </Main>
);