import {
  AnimationModel,
  AnimationModelAction,
  AnimationModelFrame,
  AnimationModelPath,
  AnimationModelSubtitle,
} from "@/api";
import sdk, {
  AnimationGroup,
  AnimationModel3D,
  AnimationModelAction3D,
  AnimationModelFrame3D,
  AnimationModelPath3D,
  SDK,
  sdk as _sdk,
} from "../sdk";
import {
  computed,
  nextTick,
  reactive,
  ref,
  toRaw,
  watch,
  watchEffect,
} from "vue";
import { ams } from "@/store/animation";
import { mergeFuns, uuid } from "@/components/drawing/hook";
import { getPathNode } from "./path";
import { debounce, diffArrayChange, mount, round } from "@/utils";
import { Pos } from "@/utils/event";
import Subtitle from "@/components/subtitle/index.vue";
import { Size } from "@/components/drawing/dec";
import router, { RoutesName } from "@/router";
import { isEdit, isTemploraryID, paths } from "@/store";
import { Color } from "three";
import { custom, showAMsStack } from "@/env";

export let animationGroup: AnimationGroup;
export const getAMKey = (am: AnimationModel) => am.key || am.id;

export const amMap: Record<
  string,
  {
    am?: AnimationModel3D;
    globalFrame?: AnimationModelFrame3D;
    frames: Record<string, AnimationModelFrame3D>;
    actions: Record<string, AnimationModelAction3D>;
    paths: Record<string, AnimationModelPath3D>;
    subtitles: Record<string, () => void>;
  }
> = reactive({});

export const addAM = (data: AnimationModel): Promise<AnimationModel3D> => {
  const key = getAMKey(data);
  const stopLoad = watch(
    () => {
      const exixts = ams.value.some((am) => getAMKey(am) === key);
      return [key, exixts] as const;
    },
    ([key, exixts]) => {
      if (!exixts) {
        const des = amMap[key];
        if (!des) return;
        Object.values(des.frames || {}).forEach((frame) => frame.destroy());
        Object.values(des.actions || {}).forEach((frame) => frame.destroy());
        Object.values(des.paths || {}).forEach((frame) => frame.destroy());
        des.am?.destroy();
        console.error("destory", key, data);
        delete amMap[key];
      } else if (!amMap[key]) {
        amMap[key] = {
          frames: {},
          actions: {},
          paths: {},
          subtitles: {},
        };
        const am = animationGroup.addAnimationModel({
          ...data,
          quaAtPath: data.mat?.quaAtPath,
        });
        am.bus.on("loadDone", () => {
          amMap[key].am = am;
          if (isTemploraryID(data.id)) {
          console.error('putInFrontOfCam', data.id)
            am.putInFrontOfCam();
          }
          console.log("0.0", am);
        });
      }
    },
    { immediate: true }
  );

  const stopAttrib = mergeFuns(
    watchEffect(() =>
      amMap[key]?.am?.changeVisibilityRange(
        data.globalVisibility ? undefined : data.visibilityRange
      )
    ),
    watchEffect(() => amMap[key]?.am?.changeTitle(data.title)),
    watchEffect(() => amMap[key]?.am?.visibilityTitle(data.showTitle)),
    watchEffect(() => amMap[key]?.am?.changeFontSize(data.fontSize))
  );

  const stopWatch = watch(
    () => ams.value.includes(data),
    (exists) => {
      if (!exists) {
        stopLoad();
        stopAttrib();
        stopWatch();
      }
    },
    { flush: "post" }
  );

  return new Promise((resolve) => {
    const stopWatch = watchEffect(() => {
      if (amMap[key]?.am) {
        resolve(amMap[key]!.am!);
        nextTick(() => stopWatch());
      }
    });
  });
};

export const addFrame = (
  data: AnimationModelFrame
): Promise<AnimationModelFrame3D> => {
  console.log("addFrame");
  const am = ams.value.find((item) =>
    item.frames.find(({ id }) => id === data.id)
  );
  if (!am) {
    throw "找不到am数据";
  }

  const key = getAMKey(am);
  const stopLoad = watch(
    () => {
      const exists = am.frames.some(({ id }) => id === data.id);
      amMap[key]?.am;
      return [amMap[key], exists] as const;
    },
    ([map, exists]) => {
      if (!map?.am) return;
      if (exists && !map.frames[data.id]) {
        map.frames[data.id] = map.am.addFrame(data);
      } else if (!exists && map.frames[data.id]) {
        map.frames[data.id].destroy();
        delete map.frames[data.id];
      }
    },
    { immediate: true }
  );

  const stopAttrib = mergeFuns(
    watchEffect(() => amMap[key]?.frames[data.id]?.changeTime(data.time)),
    watchEffect(() => data.mat && amMap[key]?.frames[data.id]?.setMat(data.mat))
  );

  const stopWatch = watch(
    () => am.frames.includes(data),
    (exists) => {
      if (!exists) {
        stopLoad();
        stopAttrib();
        stopWatch();
      }
    },
    { flush: "post" }
  );

  return new Promise((resolve) => {
    const stopWatch = watchEffect(() => {
      if (amMap[key]?.frames[data.id]) {
        resolve(amMap[key].frames[data.id]);
        nextTick(() => stopWatch());
      }
    });
  });
};

export const addAction = (
  data: AnimationModelAction
): Promise<AnimationModelAction3D> => {
  const am = ams.value.find((item) =>
    item.actions.find(({ id }) => id === data.id)
  );
  if (!am) {
    throw "找不到am数据";
  }

  const key = getAMKey(am);
  const stopLoad = watch(
    () => {
      const exists = am.actions.some(({ id }) => id === data.id);
      amMap[key]?.am;
      return [amMap[key], exists] as const;
    },
    ([map, exists]) => {
      if (!map?.am) return;
      if (exists && !map.actions[data.id]) {
        map.actions[data.id] = map.am.addAction(data);
      } else if (!exists && map.actions[data.id]) {
        map.actions[data.id].destroy();
        delete map.actions[data.id];
      }
    },

    { immediate: true }
  );

  const stopAttrib = mergeFuns(
    watchEffect(() => amMap[key]?.actions[data.id]?.changeTime(data.time)),
    watchEffect(() => {
      amMap[key]?.actions[data.id]?.changeAmplitude(data.amplitude);
    }),
    watchEffect(() => amMap[key]?.actions[data.id]?.changeSpeed(data.speed)),
    watchEffect(() =>
      amMap[key]?.actions[data.id]?.changeDuration(data.duration)
    )
  );

  const stopWatch = watch(
    () => am.actions.includes(data),
    (exists) => {
      if (!exists) {
        stopLoad();
        stopAttrib();
        stopWatch();
      }
    },
    { flush: "post" }
  );

  return new Promise((resolve) => {
    const stopWatch = watchEffect(() => {
      if (amMap[key]?.actions[data.id]) {
        resolve(amMap[key].actions[data.id]);
        nextTick(() => stopWatch());
      }
    });
  });
};

export const addPath = (
  data: AnimationModelPath
): Promise<AnimationModelPath3D> => {
  const am = ams.value.find((item) =>
    item.paths.find(({ id }) => id === data.id)
  );
  if (!am) {
    throw "找不到am数据";
  }
  const path = computed(() =>
    data.pathId ? getPathNode(data.pathId) : undefined
  );
  const pathData = computed(() =>
    paths.value.find((item) => item.id === data.pathId)
  );
  const key = getAMKey(am);
  const stopLoad = watch(
    () => {
      const exists = am.paths.some(({ id }) => id === data.id);
      amMap[key]?.am;
      return [amMap[key], exists, path.value] as const;
    },
    ([map, exists, path]) => {
      if (!map?.am || !path) return;
      if (exists && !map.paths[data.id]) {
        map.paths[data.id] = map.am.addPath({ ...data, path });
      } else if (!exists && map.paths[data.id]) {
        map.paths[data.id].destroy();
        delete map.paths[data.id];
      }
    },
    { immediate: true }
  );

  const stopAttrib = mergeFuns(
    watchEffect(() => amMap[key]?.paths[data.id]?.changeTime(data.time)),
    watchEffect(() => amMap[key]?.paths[data.id]?.changeReverse(data.reverse)),
    watchEffect(() =>
      amMap[key]?.paths[data.id]?.changeDuration(data.duration)
    ),
    watch(
      path,
      (p) => {
        const path = toRaw(p);
        path && amMap[key]?.paths[data.id]?.changePath(path);
      },
      { immediate: true }
    )
  );

  const stopWatch = watch(
    () => am.paths.includes(data),
    (exists) => {
      if (!exists) {
        stopLoad();
        stopAttrib();
        stopWatch();
      }
    },
    { flush: "post" }
  );

  return new Promise((resolve) => {
    const stopWatch = watchEffect(() => {
      if (amMap[key]?.paths[data.id]) {
        resolve(amMap[key].paths[data.id]);
        nextTick(() => stopWatch());
      }
    });
  });
};

export const addSubtitle = (data: AnimationModelSubtitle) => {
  const am = ams.value.find((item) =>
    item.subtitles.find(({ id }) => id === data.id)
  );
  if (!am) {
    throw "找不到am数据";
  }
  const key = getAMKey(am);
  const size = ref({ width: 0, height: 0 });
  const show = ref(false);
  const pixel = ref<Pos>();
  const modelShow = ref(true);
  const textShow = ref(true);
  const stopLoad = watch(
    () => {
      const exists = am.subtitles.some(({ id }) => id === data.id);
      amMap[key]?.am;
      return [amMap[key], exists] as const;
    },
    ([map, exists], _, onCleanup) => {
      if (!map?.am) return;
      if (exists && !map.subtitles[data.id]) {
        const rawChangeShow = map?.am.changeShow;
        map.am.changeShow = (f: boolean) => {
          modelShow.value = f;
          return rawChangeShow(f);
        };
        onCleanup(() => (map.am!.changeShow = rawChangeShow));

        const mountEl = document.querySelector("#app")!;
        const layer = document.createElement("div");
        layer.className = "subtitle";
        mountEl.appendChild(layer);
        const cleanups = [
          watchEffect(() => {
            layer.innerHTML = data.content;
            textShow.value = !!layer.textContent?.trim()?.length;
            size.value = {
              width: layer.offsetWidth,
              height: layer.offsetHeight,
            };
          }),
          watchEffect(() => {
            const theme = new Color();
            theme.setHex(parseInt(data.background.substring(1), 16));
            const rgb = { r: 0, g: 0, b: 0 };
            theme.getRGB(rgb);

            layer.style.backgroundColor = `rgba(${round(
              rgb.r * 255,
              2
            )},${round(rgb.g * 255, 2)},${round(rgb.b * 255, 2)},0.5)`;
          }),
          watchEffect(() => {
            // console.log(pixel.value, show.value, modelShow.value, textShow.value)
            layer.style.visibility =
              pixel.value && show.value && modelShow.value && textShow.value
                ? "visible"
                : "hidden";
          }),
          watchEffect(() => {
            if (pixel.value) {
              layer.style.transform = `translate(${round(
                pixel.value.x,
                0
              )}px, calc(${round(pixel.value.y, 0)}px - 50%))`;
            }
          }),
          () => {
            console.error("rm dom", data.id);
            layer.parentNode?.removeChild(layer);
          },
        ];
        // map.subtitles[data.id] = mergeFuns(cleanups);
        onCleanup(() => {
          mergeFuns(cleanups)();
          delete map.subtitles[data.id];
        });
      } else if (!exists && map.subtitles[data.id]) {
        map.subtitles[data.id]();
        delete map.subtitles[data.id];
      }
    },

    { immediate: true }
  );
  let isRun = false;
  const update = () => {
    // if (isRun) return;
    // isRun = true
    // setTimeout(() => {
    pixel.value = amMap[getAMKey(am)]?.am?.getCurrentSubtitlePixel(size.value);
    //   isRun = false
    // }, 16);
  };

  const stopAttrib = mergeFuns(
    watch(
      [
        () => router.currentRoute.value.name,
        currentTime,
        () => amMap[getAMKey(am)]?.am,
        () => data.time,
        () => data.duration,
        size,
        isEdit,
        play,
        () => amMap[key]?.am,
      ],
      (_a, _b, onCleanup) => {
        if (
          !play.value &&
          router.currentRoute.value.name !== RoutesName.animation &&
          !(router.currentRoute.value.name === RoutesName.guide && isEdit.value)
        ) {
          show.value = false;
        } else if (
          currentTime.value >= data.time &&
          currentTime.value < data.time + data.duration
        ) {
          update();
          show.value = true;

          onCleanup(
            mergeFuns(
              watch(
                play,
                (play, _a, onCleanup) => {
                  if (!play && _sdk) {
                    _sdk.sceneBus.on("cameraChange", update);

                    onCleanup(() => _sdk.sceneBus.off("cameraChange", update));
                  }
                },
                { immediate: true }
              ),
              watch(
                () => amMap[getAMKey(am)]?.am,
                (am, _, onCleanup) => {
                  am && am.bus.on("transformChanged", update);
                  onCleanup(() => am && am.bus.off("transformChanged", update))
                },
                { immediate: true }
              )
            )
          );
        } else {
          show.value = false;
        }
      },
      { immediate: true }
    )
  );

  const stopWatch = watch(
    () => am.subtitles.includes(data),
    (exists) => {
      if (!exists) {
        stopLoad();
        stopAttrib();
        stopWatch();
      }
    },
    { flush: "post" }
  );
};

export const endTime = computed(() => {
  const amsEndTime = ams.value.map((am) => {
    const endPoints = [
      ...am.frames.map((item) => ({ ...item, duration: 0 })),
      ...am.actions,
      ...am.subtitles,
      ...am.paths,
    ].map((item) => item.time + (item.duration || 0));
    return Math.max(...endPoints);
  });
  return (
    Math.max(...amsEndTime) +
    ((animationGroup.delayEndTime && animationGroup.delayEndTime()) || 0)
  );
});

export const play = ref(false);
watch(play, (_a, _b, onCleanup) => {
  play.value ? animationGroup?.play() : animationGroup?.pause();
  if (!play.value) return;
  if (currentTime.value >= endTime.value) {
    currentTime.value = 0;
  }
  onCleanup(
    watchEffect(() => {
      if (currentTime.value >= endTime.value) {
        play.value = false;
      }
    })
  );
});

export const currentTime = ref(0);
export const associationAnimation = (sdk: SDK, el: HTMLDivElement) => {
  animationGroup = sdk.createAnimationGroup();

  watchEffect(
    () => {
      animationGroup.setCurrentTime(currentTime.value);
    },
    { flush: "sync" }
  );

  animationGroup.bus.on("currentTime", (time) => {
    currentTime.value = time;
  });

  watch(
    () => [...ams.value],
    (newv, oldv = []) => {
      const { added, deleted } = diffArrayChange(newv, oldv);
      console.log("diffam", added, deleted, ams.value);
      added.forEach(addAM);
    },
    { immediate: true, deep: true }
  );

  watch(
    () => ams.value.flatMap((am) => am.frames),
    (newv, oldv = []) => {
      const { added } = diffArrayChange(newv, oldv);
      added.forEach(addFrame);
    },
    { immediate: true, deep: true }
  );

  watch(
    () => ams.value.flatMap((am) => am.actions),
    (newv, oldv = []) => {
      const { added } = diffArrayChange(newv, oldv);
      added.forEach(addAction);
    },
    { immediate: true, deep: true }
  );

  watch(
    () => ams.value.flatMap((am) => am.paths),
    (newv, oldv = []) => {
      const { added } = diffArrayChange(newv, oldv);
      added.forEach(addPath);
    },
    { immediate: true, deep: true }
  );
  watch(
    () => ams.value.flatMap((am) => am.subtitles),
    (newv, oldv = []) => {
      const { added } = diffArrayChange(newv, oldv);
      added.forEach(addSubtitle);
    },
    { immediate: true, deep: true }
  );

  let cleanupMap: Record<string, () => void> = {};
  watch(
    () => {
      // !am.frames.length &&
      const gAms = ams.value.filter((am) => amMap[getAMKey(am)]?.am);
      return gAms;
    },
    (am3ds, oldAm3ds = []) => {
      const { added, deleted } = diffArrayChange(am3ds, oldAm3ds);
      for (const am of added) {
        const am3d = amMap[getAMKey(am)];
        if (!am3d || !am3d.am) continue;

        const getMat = () => {
          return am.mat && "position" in am.mat
            ? am.mat
            : am3d.am!.getModelPose();
        };

        am3d.am.setDefaultPose && am3d.am.setDefaultPose(getMat());

        const mat = am.mat || am3d.am.getModelPose();
        am3d.am.changePosition(mat.position!);
        am3d.am.changeRotation(mat.rotation!);
        am3d.am.changeScale(mat.scale!);

        cleanupMap[getAMKey(am)] = mergeFuns(
          watchEffect(() => {
            if (am.mat && am3d.am) {
              am3d.am.setDefaultPose && am3d.am.setDefaultPose(getMat());
            }
            console.log("set-default-pose", am.mat);
          }),
          () => {
            am3d.am?.addFrame;
            am3d.globalFrame = undefined;
            delete cleanupMap[getAMKey(am)];
          }
        );
      }
      for (const am of deleted) {
        cleanupMap[getAMKey(am)] && cleanupMap[getAMKey(am)]();
      }
    },
    { flush: "post", immediate: true }
  );

  watch(
    () =>
      [Object.values(amMap).map((item) => item.am), custom.showAMs] as const,
    ([ams, show]) => {
      console.error(ams, "show", show);
      ams.forEach((am) => {
        am?.changeShow(show);
      });
    }
  );
};

showAMsStack.push(play);