import { Box, Flex } from "@radix-ui/themes";
import { times } from "lodash-es";
import { useEffect, useMemo, useRef } from "react";
import { api } from "../../../core/blitzkit/api";
import { defaultEqualizer } from "../../../core/blitzkit/tankToDuelMember";
import { useFullScreen } from "../../../hooks/useFullScreen";
import { Duel } from "../../../stores/duel";
import { Tankopedia } from "../../../stores/tankopedia";
import type { MaybeSkeletonComponentProps } from "../../../types/maybeSkeletonComponentProps";
import type { ThicknessRange } from "../../Armor/components/StaticArmor";
import { Options } from "./components/Options";
import { TankSandbox } from "./components/TankSandbox";
import { Title } from "./components/TankSandbox/Title";

const tankDefinitions = await api.tankDefinitions();

export function HeroSection({ skeleton }: MaybeSkeletonComponentProps) {
  const equalize = Duel.use((state) => state.equalize);
  const disturbed = Tankopedia.use((state) => state.disturbed);
  const canvas = useRef<HTMLCanvasElement>(null!);
  const isFullScreen = useFullScreen();
  const protagonist = Duel.use((state) => state.protagonist.tank);
  const thicknessRange = useMemo(() => {
    const entries = Object.values(tankDefinitions.tanks);
    const filtered = entries.filter(
      (thisTank) => thisTank.tier === protagonist.tier,
    );
    const value =
      (filtered.reduce((accumulator, thisTank) => {
        return (
          accumulator +
          thisTank.turrets.at(-1)!.guns.at(-1)!.shells[0].penetration!.near *
            ((equalize ? thisTank.equalizer : undefined) ?? defaultEqualizer)
              .penetration
        );
      }, 0) /
        filtered.length) *
      (3 / 4);

    return { value } satisfies ThicknessRange;
  }, [protagonist, equalize]);

  useEffect(() => {
    if (disturbed) {
      document.body.classList.remove("no-navbar");
    }
  }, [disturbed]);

  useEffect(() => {
    function handleKeyDown(event: KeyboardEvent) {
      times(3, (index) => {
        if (
          event.key === `${index + 1}` &&
          Duel.state.antagonist.gun.shells.length > index
        ) {
          Duel.mutate((draft) => {
            draft.antagonist.shell = Duel.state.antagonist.gun.shells[index];
          });
          Tankopedia.mutate((draft) => {
            draft.customShell = undefined;
          });
        }
      });
    }

    window.addEventListener("keydown", handleKeyDown);
    return () => window.removeEventListener("keydown", handleKeyDown);
  }, []);

  return (
    <Flex
      overflow="hidden"
      justify="center"
      style={{
        backgroundColor: "black",
      }}
      position="relative"
    >
      <Box
        position="absolute"
        width="100%"
        height="100%"
        top="0"
        left="0"
        style={{
          opacity: disturbed ? 0 : 1,
          background: "black",
          transitionDuration: "1s",
        }}
      />

      {/* <ScrollHint /> */}

      <Flex
        direction={{ initial: "column-reverse", md: "row" }}
        style={{
          zIndex: isFullScreen ? 2 : undefined,
          transitionDuration: "1s",
          background: isFullScreen ? "black" : undefined,
        }}
        height={
          isFullScreen
            ? "100vh"
            : disturbed
              ? "calc(100svh - 8rem)"
              : {
                  initial: "28rem",
                  md: "calc(100svh - 14rem)",
                }
        }
        maxWidth={isFullScreen ? undefined : "120rem"}
        flexGrow="1"
        width={isFullScreen ? "100vw" : undefined}
        position={isFullScreen ? "fixed" : "relative"}
        top={isFullScreen ? "0" : undefined}
        left={isFullScreen ? "0" : undefined}
      >
        <Box
          className="tank-sandbox-container"
          flexGrow="1"
          flexBasis="0"
          flexShrink="0"
          position="relative"
        >
          <Box position="absolute" width="100%" height="100%" overflow="hidden">
            <Box width="100%" height="100%" position="relative">
              <Box
                position="absolute"
                width="100%"
                height="100%"
                top="0"
                left="0"
              >
                {!skeleton && (
                  <TankSandbox ref={canvas} thicknessRange={thicknessRange} />
                )}
              </Box>
            </Box>

            <Title />

            <Options
              skeleton={skeleton}
              canvas={canvas}
              thicknessRange={thicknessRange}
            />
          </Box>
        </Box>
      </Flex>
    </Flex>
  );
}