import { useMemo } from "react";
import type { Bootstrap, Item } from "../types.js";
import { helpers, TODAY_STR, enrichItems } from "../types.js";
import { remainingShort } from "../stats.js";
import { fmt, TYPE_GLYPHS } from "../format.js";
import { Btn, Card, Icon } from "../components/primitives/index.js";

export function CustodyView({
  data,
  onSelectItem,
  onCheckin,
  onConsume,
  onMarkGone,
}: {
  data: Bootstrap;
  onSelectItem: (i: Item) => void;
  onCheckin: (i: Item) => void;
  onConsume: (i: Item) => void;
  onMarkGone: (i: Item) => void;
}) {
  const items = useMemo(() => enrichItems(data), [data]);
  const checkedOut = useMemo(
    () =>
      items
        .filter((i) => i.status === "checked-out")
        .sort(
          (a, b) =>
            +new Date(b.checkoutDate ?? b.purchaseDate) -
            +new Date(a.checkoutDate ?? a.purchaseDate),
        ),
    [items],
  );

  return (
    <div style={{ padding: "40px 48px", maxWidth: 1200 }}>
      <div style={{ marginBottom: 32 }}>
        <h1
          className="serif"
          style={{ fontSize: 44, margin: 0, fontWeight: 500, letterSpacing: "-0.02em" }}
        >
          My Custody
        </h1>
        <div style={{ fontSize: 13, color: "var(--ink-3)", marginTop: 6 }}>
          {checkedOut.length} item{checkedOut.length === 1 ? "" : "s"} checked out
        </div>
      </div>

      {checkedOut.length === 0 ? (
        <div
          style={{
            textAlign: "center",
            padding: "80px 20px",
            color: "var(--ink-3)",
          }}
        >
          <Icon name="pocket" size={40} color="var(--ink-4)" />
          <div
            style={{
              fontSize: 14,
              fontStyle: "italic",
              marginTop: 16,
            }}
          >
            Nothing checked out right now.
          </div>
        </div>
      ) : (
        <Card padded={false}>
          <div
            style={{
              display: "grid",
              gridTemplateColumns: "32px 2fr 1fr 0.8fr 0.8fr 260px",
              padding: "10px 16px",
              fontSize: 11,
              color: "var(--ink-3)",
              textTransform: "uppercase",
              letterSpacing: "0.06em",
              borderBottom: "1px solid var(--line)",
            }}
          >
            <div />
            <div>Item</div>
            <div>Brand</div>
            <div>Remaining</div>
            <div>Checked out</div>
            <div />
          </div>

          {checkedOut.map((item) => (
            <CustodyRow
              key={item.id}
              item={item}
              data={data}
              onSelect={() => onSelectItem(item)}
              onCheckin={() => onCheckin(item)}
              onConsume={() => onConsume(item)}
              onMarkGone={() => onMarkGone(item)}
            />
          ))}
        </Card>
      )}
    </div>
  );
}

function CustodyRow({
  item,
  data,
  onSelect,
  onCheckin,
  onConsume,
  onMarkGone,
}: {
  item: Item;
  data: Bootstrap;
  onSelect: () => void;
  onCheckin: () => void;
  onConsume: () => void;
  onMarkGone: () => void;
}) {
  const glyph = TYPE_GLYPHS[item.type] ?? "·";
  const pct = helpers.pctRemaining(item, TODAY_STR);

  return (
    <div
      style={{
        display: "grid",
        gridTemplateColumns: "32px 2fr 1fr 0.8fr 0.8fr 260px",
        padding: "12px 16px",
        alignItems: "center",
        borderBottom: "1px solid var(--line)",
        cursor: "pointer",
      }}
      onClick={onSelect}
    >
      <div style={{ fontSize: 16, textAlign: "center", opacity: 0.6 }}>{glyph}</div>
      <div>
        <div style={{ fontWeight: 500, fontSize: 14 }}>{item.name}</div>
        <div className="mono" style={{ fontSize: 11, color: "var(--ink-3)" }}>
          {item.assetId}
        </div>
      </div>
      <div style={{ fontSize: 13, color: "var(--ink-2)" }}>
        {helpers.brandName(data, item.brandId)}
      </div>
      <div style={{ fontFamily: "var(--mono)", fontSize: 12 }}>
        {remainingShort(item)}
        <span style={{ color: "var(--ink-3)", marginLeft: 6 }}>
          {Math.round(pct * 100)}%
        </span>
      </div>
      <div style={{ fontSize: 12, color: "var(--ink-3)" }}>
        {fmt.daysAgo(item.checkoutDate)}
      </div>
      <div
        style={{ display: "flex", gap: 4, justifyContent: "flex-end" }}
        onClick={(e) => e.stopPropagation()}
      >
        <Btn variant="sage" icon="check" onClick={onCheckin}>
          Check in
        </Btn>
        <Btn variant="secondary" icon="check" onClick={onConsume}>
          Consume
        </Btn>
        <Btn variant="ghost" icon="bin" onClick={onMarkGone} />
      </div>
    </div>
  );
}