(() => {
  "use strict";

  const data = window.EGOSUITE_DATA;
  if (!data) {
    document.body.innerHTML = "<p>Dashboard data failed to load.</p>";
    return;
  }

  const state = {
    environmentId: data.environments[0].id,
    skuId: "egofull",
    distributionMode: "normalized",
    overlayEnabled: true
  };

  const elements = {
    donutSlices: document.querySelector("#donut-slices"),
    donutValue: document.querySelector("#donut-value"),
    donutLabel: document.querySelector("#donut-label"),
    environmentList: document.querySelector("#environment-list"),
    distributionBadge: document.querySelector("#distribution-badge"),
    mediaStage: document.querySelector("#media-stage"),
    mediaVideo: document.querySelector("#media-video"),
    mediaPoster: document.querySelector("#media-poster"),
    mediaState: document.querySelector("#media-state"),
    mediaTitle: document.querySelector("#media-title"),
    mediaEnvironment: document.querySelector("#media-environment"),
    mediaSku: document.querySelector("#media-sku"),
    mediaCapture: document.querySelector("#media-capture"),
    skuDescription: document.querySelector("#sku-description"),
    capabilityList: document.querySelector("#capability-list"),
    sceneList: document.querySelector("#scene-list"),
    poseOverlay: document.querySelector("#pose-overlay"),
    overlayToggle: document.querySelector("#overlay-toggle"),
    taskTable: document.querySelector("#task-table"),
    skuShowcase: document.querySelector("#sku-showcase")
  };

  const number = new Intl.NumberFormat("en-US", { maximumFractionDigits: 2 });

  function getEnvironment() {
    return data.environments.find((item) => item.id === state.environmentId);
  }

  function getSku() {
    return data.skus[state.skuId];
  }

  function environmentHours(environment) {
    return state.distributionMode === "normalized"
      ? environment.normalizedHours
      : environment.rawHours;
  }

  function environmentRatio(environment) {
    return state.distributionMode === "normalized"
      ? environment.normalizedRatio
      : environment.suppliedRatio;
  }

  function renderDonut() {
    elements.donutSlices.replaceChildren();
    let offset = 0;

    data.environments.forEach((environment) => {
      const geometryRatio = environment.normalizedRatio;
      const slice = document.createElementNS("http://www.w3.org/2000/svg", "circle");
      slice.setAttribute("class", "donut-slice");
      slice.setAttribute("cx", "120");
      slice.setAttribute("cy", "120");
      slice.setAttribute("r", "82");
      slice.setAttribute("pathLength", "100");
      slice.setAttribute("stroke", environment.color);
      slice.setAttribute("stroke-dasharray", `${geometryRatio} ${100 - geometryRatio}`);
      slice.setAttribute("stroke-dashoffset", `${-offset}`);
      slice.setAttribute("tabindex", "0");
      slice.setAttribute("role", "button");
      slice.setAttribute(
        "aria-label",
        `${environment.en}, ${number.format(environmentHours(environment))} hours, ${number.format(environmentRatio(environment))} percent`
      );
      slice.dataset.environment = environment.id;
      slice.classList.toggle("is-selected", environment.id === state.environmentId);

      const choose = () => selectEnvironment(environment.id);
      slice.addEventListener("mouseenter", choose);
      slice.addEventListener("focus", choose);
      slice.addEventListener("click", choose);
      slice.addEventListener("keydown", (event) => {
        if (event.key === "Enter" || event.key === " ") {
          event.preventDefault();
          choose();
        }
      });

      elements.donutSlices.append(slice);
      offset += geometryRatio;
    });
  }

  function renderEnvironmentList() {
    elements.environmentList.replaceChildren();

    data.environments.forEach((environment) => {
      const row = document.createElement("button");
      row.type = "button";
      row.className = "environment-row";
      row.dataset.environment = environment.id;
      row.style.setProperty("--row-color", environment.color);
      row.classList.toggle("is-selected", environment.id === state.environmentId);
      row.setAttribute("role", "listitem");

      const name = document.createElement("span");
      name.className = "environment-name";
      name.innerHTML = `
        <span class="environment-swatch" aria-hidden="true"></span>
        <span><strong>${environment.en}</strong><span>${environment.zh}</span></span>
      `;

      const value = document.createElement("span");
      value.className = "environment-value";
      value.innerHTML = `
        <strong>${number.format(environmentHours(environment))}h</strong>
        <span>${number.format(environment.clips)} clips</span>
      `;

      const ratio = document.createElement("span");
      ratio.className = "environment-ratio";
      ratio.textContent = `${number.format(environmentRatio(environment))}%`;

      row.append(name, value, ratio);
      row.addEventListener("mouseenter", () => selectEnvironment(environment.id));
      row.addEventListener("focus", () => selectEnvironment(environment.id));
      row.addEventListener("click", () => selectEnvironment(environment.id));
      elements.environmentList.append(row);
    });
  }

  function updateDistributionStatus() {
    const normalized = state.distributionMode === "normalized";
    elements.distributionBadge.textContent = normalized
      ? "NORMALIZED TO 10K"
      : "RAW INPUT · 119.7%";
    elements.distributionBadge.classList.toggle("status-ok", normalized);
    elements.distributionBadge.classList.toggle("status-warning", !normalized);

    document.querySelectorAll("[data-distribution]").forEach((button) => {
      const active = button.dataset.distribution === state.distributionMode;
      button.classList.toggle("is-active", active);
      button.setAttribute("aria-pressed", String(active));
    });
  }

  function selectEnvironment(environmentId) {
    if (state.environmentId === environmentId) {
      updateSelectionState();
      return;
    }
    state.environmentId = environmentId;
    updateSelectionState();
    updateMedia();
  }

  function updateSelectionState() {
    const environment = getEnvironment();
    elements.donutValue.textContent = `${number.format(environmentHours(environment))}h`;
    elements.donutLabel.textContent = environment.en;

    document.querySelectorAll("[data-environment]").forEach((item) => {
      item.classList.toggle("is-selected", item.dataset.environment === state.environmentId);
    });
  }

  function updateMedia() {
    const environment = getEnvironment();
    const sku = getSku();

    elements.mediaStage.classList.remove("is-changing");
    void elements.mediaStage.offsetWidth;
    elements.mediaStage.classList.add("is-changing");
    elements.mediaStage.dataset.sku = sku.id;

    elements.mediaTitle.textContent = `${environment.en} · ${sku.name}`;
    elements.mediaEnvironment.textContent = environment.en.toUpperCase();
    elements.mediaSku.textContent = `${sku.name} · ${number.format(sku.hours)}h`;
    elements.mediaCapture.textContent = sku.capture;
    elements.skuDescription.textContent = sku.description;
    elements.sceneList.textContent = environment.scenes.join(" · ");

    elements.capabilityList.replaceChildren();
    sku.capabilities.forEach((capability) => {
      const item = document.createElement("span");
      item.className = "capability";
      item.textContent = capability;
      elements.capabilityList.append(item);
    });

    if (environment.videoUrl) {
      elements.mediaPoster.hidden = true;
      elements.mediaVideo.hidden = false;
      if (elements.mediaVideo.getAttribute("src") !== environment.videoUrl) {
        elements.mediaVideo.src = environment.videoUrl;
      }
      elements.mediaVideo.play().catch(() => {});
      elements.mediaState.textContent = "AUDITED RAW VIDEO";
      elements.mediaState.classList.remove("status-warning");
      elements.mediaState.classList.add("status-ok");
    } else {
      elements.mediaVideo.pause();
      elements.mediaVideo.hidden = true;
      elements.mediaPoster.hidden = false;
      elements.mediaPoster.src = environment.poster;
      elements.mediaPoster.alt = `${environment.en} environment poster preview`;
      elements.mediaState.textContent = "POSTER TEST MEDIA";
      elements.mediaState.classList.add("status-warning");
      elements.mediaState.classList.remove("status-ok");
    }

    elements.skuShowcase.src = sku.showcase;
    elements.skuShowcase.alt = `${sku.name} multimodal showcase`;
  }

  function setSku(skuId) {
    state.skuId = skuId;
    document.querySelectorAll("[data-sku]").forEach((button) => {
      if (!button.matches("button")) return;
      const active = button.dataset.sku === skuId;
      button.classList.toggle("is-active", active);
      button.setAttribute("aria-pressed", String(active));
    });
    updateMedia();
  }

  function setDistributionMode(mode) {
    state.distributionMode = mode;
    updateDistributionStatus();
    renderDonut();
    renderEnvironmentList();
    updateSelectionState();
  }

  function renderTasks() {
    elements.taskTable.replaceChildren();
    data.tasks.forEach((task) => {
      const row = document.createElement("div");
      row.className = "task-row";
      row.classList.toggle("is-pending", task.status === "pending_audit");
      row.setAttribute("role", "row");

      const statusLabel = task.status === "pending_audit" ? "Pending" : "Name supplied";
      row.innerHTML = `
        <span class="task-rank">${String(task.rank).padStart(2, "0")}</span>
        <span class="task-name"><strong>${task.en}</strong><span>${task.zh}</span></span>
        <span class="task-status">${statusLabel}</span>
      `;
      elements.taskTable.append(row);
    });
  }

  document.querySelectorAll("[data-sku]").forEach((button) => {
    if (button.matches("button")) {
      button.addEventListener("click", () => setSku(button.dataset.sku));
    }
  });

  document.querySelectorAll("[data-distribution]").forEach((button) => {
    button.addEventListener("click", () => setDistributionMode(button.dataset.distribution));
  });

  elements.overlayToggle.addEventListener("change", () => {
    state.overlayEnabled = elements.overlayToggle.checked;
    elements.poseOverlay.classList.toggle("is-hidden", !state.overlayEnabled);
  });

  renderDonut();
  renderEnvironmentList();
  renderTasks();
  updateDistributionStatus();
  updateSelectionState();
  updateMedia();
})();