import { builds, callModes, makeRecipe, toolSteps } from "./model.js";

const buildSelect = document.getElementById("build-select");
const modeSelect = document.getElementById("mode-select");
let currentBuild = "flash";
let currentStep = 0;
let currentPart = "startup";

function renderBuild() {
  const selected = builds[currentBuild];
  const flow = document.getElementById("build-flow");
  flow.replaceChildren();
  selected.flow.forEach((label, index) => {
    if (index) {
      const arrow = document.createElement("b");
      arrow.textContent = "→";
      arrow.setAttribute("aria-hidden", "true");
      flow.append(arrow);
    }
    const node = document.createElement("span");
    node.textContent = label;
    flow.append(node);
  });
  document.getElementById("build-detail").textContent = selected.detail;
  document.querySelectorAll("[data-build]").forEach((button) => {
    button.setAttribute(
      "aria-pressed",
      String(button.dataset.build === currentBuild),
    );
  });
  buildSelect.value = currentBuild;
  const previousMode = modeSelect.value;
  modeSelect.replaceChildren();
  for (const key of selected.modes) {
    const option = document.createElement("option");
    option.value = key;
    option.textContent = callModes[key].title;
    modeSelect.append(option);
  }
  modeSelect.value = selected.modes.includes(previousMode)
    ? previousMode
    : selected.modes[0];
  renderRecipe();
}

function renderRecipe() {
  const mode = callModes[modeSelect.value];
  document.getElementById("endpoint-kind").textContent = mode.kind;
  document.getElementById("endpoint-value").textContent = mode.endpoint;
  document.getElementById("endpoint-detail").textContent = mode.detail;
  document.getElementById("recipe-label").textContent =
    `${builds[currentBuild].title} · ${mode.title}`;
  document.getElementById("call-recipe").textContent = makeRecipe(
    currentBuild,
    modeSelect.value,
  )[currentPart];
  document.querySelectorAll("[data-part]").forEach((button) => {
    button.setAttribute(
      "aria-pressed",
      String(button.dataset.part === currentPart),
    );
  });
  document.getElementById("copy-status").textContent = "";
}

function renderStep() {
  const selected = toolSteps[currentStep];
  document.getElementById("step-number").textContent = String(
    currentStep + 1,
  ).padStart(2, "0");
  document.getElementById("step-title").textContent = selected.title;
  document.getElementById("step-explanation").textContent =
    selected.explanation;
  document.getElementById("step-code").textContent = selected.code;
  document.getElementById("step-progress").textContent =
    `${currentStep + 1} / ${toolSteps.length}`;
  document.getElementById("previous-step").disabled = currentStep === 0;
  document.getElementById("next-step").disabled =
    currentStep === toolSteps.length - 1;
  document.querySelectorAll("[data-step]").forEach((button) => {
    button.setAttribute(
      "aria-pressed",
      String(Number(button.dataset.step) === currentStep),
    );
  });
}

const stepList = document.getElementById("tool-steps");
toolSteps.forEach((step, index) => {
  const button = document.createElement("button");
  button.type = "button";
  button.dataset.step = String(index);
  button.textContent = `${index + 1} ${step.title}`;
  button.addEventListener("click", () => {
    currentStep = index;
    renderStep();
  });
  stepList.append(button);
});

document.querySelectorAll("[data-build]").forEach((button) => {
  button.addEventListener("click", () => {
    currentBuild = button.dataset.build;
    renderBuild();
  });
});
buildSelect.addEventListener("change", () => {
  currentBuild = buildSelect.value;
  renderBuild();
});
modeSelect.addEventListener("change", renderRecipe);
document.querySelectorAll("[data-part]").forEach((button) => {
  button.addEventListener("click", () => {
    currentPart = button.dataset.part;
    renderRecipe();
  });
});
document.getElementById("previous-step").addEventListener("click", () => {
  currentStep -= 1;
  renderStep();
});
document.getElementById("next-step").addEventListener("click", () => {
  currentStep += 1;
  renderStep();
});
document.getElementById("copy-recipe").addEventListener("click", async () => {
  try {
    await navigator.clipboard.writeText(
      document.getElementById("call-recipe").textContent,
    );
    document.getElementById("copy-status").textContent = "已复制调用示例。";
  } catch {
    document.getElementById("copy-status").textContent =
      "可以在上方代码中手动选择并复制。";
  }
});

const themeButton = document.getElementById("theme-toggle");
themeButton.addEventListener("click", () => {
  const theme =
    document.documentElement.dataset.theme === "dark" ? "light" : "dark";
  document.documentElement.dataset.theme = theme;
  themeButton.setAttribute(
    "aria-label",
    theme === "dark" ? "切换浅色主题" : "切换深色主题",
  );
});

renderBuild();
renderStep();