/* teach - personage (avatar): eigen figuur samenstellen (soort, kleuren, haar,
   accessoires), gedeeld tussen de Instellingen-sectie "Mijn personage" en het
   avatar-widget. Gelaagde div's + CSS custom properties, zelfde aanpak als de
   verjaardagstaart-widget (--cake/--icing) - geen SVG/afbeeldingen. */
"use strict";
const AVATAR_SPECIES = ["dino", "monster", "animal"];
const AVATAR_HAIR = ["none", "spiky", "curly", "ponytail", "mohawk"];
const AVATAR_HEAD_ACC = ["none", "cap", "crown", "glasses", "bow"];
const AVATAR_BODY_ACC = ["none", "scarf", "cape", "badge"];
const AVATAR_DEFAULT = Object.freeze({
  species: "dino", bodyColor: "#3fae6a", hairStyle: "none", hairColor: "#5b3a29",
  accessoryHead: "none", accessoryBody: "none",
});

function avatarSanitize(config){
  const c = config || {};
  return {
    species: AVATAR_SPECIES.includes(c.species) ? c.species : AVATAR_DEFAULT.species,
    bodyColor: /^#[0-9a-fA-F]{6}$/.test(c.bodyColor||"") ? c.bodyColor : AVATAR_DEFAULT.bodyColor,
    hairStyle: AVATAR_HAIR.includes(c.hairStyle) ? c.hairStyle : AVATAR_DEFAULT.hairStyle,
    hairColor: /^#[0-9a-fA-F]{6}$/.test(c.hairColor||"") ? c.hairColor : AVATAR_DEFAULT.hairColor,
    accessoryHead: AVATAR_HEAD_ACC.includes(c.accessoryHead) ? c.accessoryHead : AVATAR_DEFAULT.accessoryHead,
    accessoryBody: AVATAR_BODY_ACC.includes(c.accessoryBody) ? c.accessoryBody : AVATAR_DEFAULT.accessoryBody,
  };
}

/* bouwt de gelaagde weergave van een personage; config==null → neutrale
   standaardweergave (nooit een lege/kapotte weergave). */
function renderAvatarFace(config, size){
  const c = avatarSanitize(config);
  const face = document.createElement("div");
  face.className = "avatar-face " + (size || "md") + " av-species-" + c.species;
  face.style.setProperty("--av-body", c.bodyColor);
  face.style.setProperty("--av-hair", c.hairColor);
  face.setAttribute("role", "img");
  face.setAttribute("aria-label", T("avatarAlt"));
  const partHead = document.createElement("div"); partHead.className = "av-part-head";
  const hair = document.createElement("div"); hair.className = "av-hair av-hair-" + c.hairStyle;
  const head = document.createElement("div"); head.className = "av-head";
  const eyeL = document.createElement("div"); eyeL.className = "av-eye av-eye-l";
  const eyeR = document.createElement("div"); eyeR.className = "av-eye av-eye-r";
  const snout = document.createElement("div"); snout.className = "av-snout";
  const accHead = document.createElement("div"); accHead.className = "av-acc-head av-acc-head-" + c.accessoryHead;
  const tail = document.createElement("div"); tail.className = "av-tail";
  const partBody = document.createElement("div"); partBody.className = "av-part-body";
  const spikeMid = document.createElement("div"); spikeMid.className = "av-spike-mid";
  partBody.appendChild(spikeMid);
  const body = document.createElement("div"); body.className = "av-body";
  const accBody = document.createElement("div"); accBody.className = "av-acc-body av-acc-body-" + c.accessoryBody;
  face.append(tail, partBody, body, accBody, partHead, head, eyeL, eyeR, snout, accHead, hair);
  return face;
}

/* bouwt de interactieve kiezer + live voorbeeld; roept onChange(config) aan
   bij elke wijziging. Hergebruikt door zowel de instellingen-sectie als het
   widget - één UI, geen duplicatie. */
function buildAvatarEditor(container, initialConfig, onChange){
  let config = avatarSanitize(initialConfig);
  container.innerHTML = "";
  const editor = document.createElement("div");
  editor.className = "avatar-editor";
  const preview = document.createElement("div");
  preview.className = "avatar-preview";
  const controls = document.createElement("div");
  controls.className = "avatar-controls";
  editor.append(preview, controls);
  container.appendChild(editor);

  const speciesRow = document.createElement("div");
  speciesRow.className = "avatar-species-row";
  AVATAR_SPECIES.forEach(id=>{
    const b = document.createElement("button");
    b.type = "button";
    b.dataset.species = id;
    b.addEventListener("click", ()=>{ config.species = id; update(); });
    speciesRow.appendChild(b);
  });
  controls.appendChild(speciesRow);

  const row1 = document.createElement("div"); row1.className = "avatar-row";
  const bodyColorField = document.createElement("label");
  const bodyColorSpan = document.createElement("span");
  const bodyColorInput = document.createElement("input"); bodyColorInput.type = "color";
  bodyColorInput.addEventListener("input", ()=>{ config.bodyColor = bodyColorInput.value; update(); });
  bodyColorField.append(bodyColorSpan, bodyColorInput);
  const hairColorField = document.createElement("label");
  const hairColorSpan = document.createElement("span");
  const hairColorInput = document.createElement("input"); hairColorInput.type = "color";
  hairColorInput.addEventListener("input", ()=>{ config.hairColor = hairColorInput.value; update(); });
  hairColorField.append(hairColorSpan, hairColorInput);
  row1.append(bodyColorField, hairColorField);
  controls.appendChild(row1);

  const row2 = document.createElement("div"); row2.className = "avatar-row";
  const hairField = document.createElement("label");
  const hairSpan = document.createElement("span");
  const hairSel = document.createElement("select");
  AVATAR_HAIR.forEach(id=>hairSel.appendChild(new Option("", id)));
  hairSel.addEventListener("change", ()=>{ config.hairStyle = hairSel.value; update(); });
  hairField.append(hairSpan, hairSel);
  row2.append(hairField);
  controls.appendChild(row2);

  const row3 = document.createElement("div"); row3.className = "avatar-row";
  const headAccField = document.createElement("label");
  const headAccSpan = document.createElement("span");
  const headAccSel = document.createElement("select");
  AVATAR_HEAD_ACC.forEach(id=>headAccSel.appendChild(new Option("", id)));
  headAccSel.addEventListener("change", ()=>{ config.accessoryHead = headAccSel.value; update(); });
  headAccField.append(headAccSpan, headAccSel);
  const bodyAccField = document.createElement("label");
  const bodyAccSpan = document.createElement("span");
  const bodyAccSel = document.createElement("select");
  AVATAR_BODY_ACC.forEach(id=>bodyAccSel.appendChild(new Option("", id)));
  bodyAccSel.addEventListener("change", ()=>{ config.accessoryBody = bodyAccSel.value; update(); });
  bodyAccField.append(bodyAccSpan, bodyAccSel);
  row3.append(headAccField, bodyAccField);
  controls.appendChild(row3);

  function syncLabels(){
    speciesRow.querySelectorAll("button").forEach(b=>{
      b.textContent = T("avatarSpecies_" + b.dataset.species);
      b.classList.toggle("active", b.dataset.species === config.species);
    });
    bodyColorSpan.textContent = T("avatarBodyColor");
    hairColorSpan.textContent = T("avatarHairColor");
    hairSpan.textContent = T("avatarHairStyle");
    [...hairSel.options].forEach(o=>o.textContent = T("avatarHair_" + o.value));
    headAccSpan.textContent = T("avatarAccHead");
    [...headAccSel.options].forEach(o=>o.textContent = T("avatarAcc_" + o.value));
    bodyAccSpan.textContent = T("avatarAccBody");
    [...bodyAccSel.options].forEach(o=>o.textContent = T("avatarAcc_" + o.value));
  }
  function update(){
    bodyColorInput.value = config.bodyColor;
    hairColorInput.value = config.hairColor;
    hairSel.value = config.hairStyle;
    headAccSel.value = config.accessoryHead;
    bodyAccSel.value = config.accessoryBody;
    syncLabels();
    preview.innerHTML = "";
    preview.appendChild(renderAvatarFace(config, "lg"));
    if(onChange) onChange({ ...config });
  }
  document.addEventListener("langchange", syncLabels);
  update();
  return { getConfig: ()=>({ ...config }), setConfig(c){ config = avatarSanitize(c); update(); } };
}

async function saveAvatar(config){
  const clean = avatarSanitize(config);
  const res = await api("/me/avatar", { method: "PUT", body: clean });
  currentUser.avatar = res.avatar;
  document.dispatchEvent(new CustomEvent("avatarchange"));
  return res.avatar;
}

/* ---- Instellingen-sectie "Mijn personage" (cms.js-patroon: eigen .st-section
   zelf aanmaken, niet in index.html) ---- */
(function(){
  const host = document.createElement("div");
  host.className = "st-section";
  host.dataset.section = "avatar";
  host.style.display = "none";
  document.getElementById("stContent").appendChild(host);
  const msg = document.createElement("p");
  msg.className = "avatar-save-msg";
  let editorApi = null;
  function build(){
    host.innerHTML = "";
    editorApi = buildAvatarEditor(host, currentUser && currentUser.avatar, ()=>{ msg.textContent = ""; });
    const saveBtn = document.createElement("button");
    saveBtn.type = "button";
    saveBtn.className = "tbtn";
    saveBtn.textContent = T("avatarSave");
    saveBtn.addEventListener("click", async ()=>{
      try{ await saveAvatar(editorApi.getConfig()); msg.textContent = T("avatarSaved"); }
      catch(e){ msg.textContent = e.message; }
    });
    host.appendChild(saveBtn);
    host.appendChild(msg);
  }
  registerSettingsSection({
    id: "avatar", icon: "🦖", group: "personal", order: 3,
    label: ()=>T("stAvatar"), sub: ()=>T("stAvatarSub"),
    visible: ()=>!!currentUser,
    activate(){ showSettingsDom("avatar"); build(); },
    keywords: ()=>[T("avatarSpecies_dino"), T("avatarSpecies_monster"), T("avatarSpecies_animal"),
      "personage","avatar","dinosaurus","monster","dier","haar","hair","kleur","color"],
  });
})();

/* ---- widget: dunne wrapper rond dezelfde editor ---- */
function mountAvatarWidget(root){
  root.innerHTML = `<p class="play-mission"></p>`;
  root.querySelector(".play-mission").textContent = T("wg_avatar_d");
  const host = document.createElement("div");
  host.style.cssText = "flex:1;min-height:0;display:flex;flex-direction:column;";
  root.appendChild(host);
  const msg = document.createElement("p");
  msg.className = "avatar-save-msg";
  let editorApi = null;
  function build(){
    host.innerHTML = "";
    editorApi = buildAvatarEditor(host, currentUser && currentUser.avatar, ()=>{ msg.textContent = ""; });
    const saveBtn = document.createElement("button");
    saveBtn.type = "button";
    saveBtn.className = "tbtn";
    saveBtn.textContent = T("avatarSave");
    saveBtn.addEventListener("click", async ()=>{
      try{ await saveAvatar(editorApi.getConfig()); msg.textContent = T("avatarSaved"); }
      catch(e){ msg.textContent = e.message; }
    });
    host.appendChild(saveBtn);
    host.appendChild(msg);
  }
  build();
  document.addEventListener("langchange", ()=>{ root.querySelector(".play-mission").textContent = T("wg_avatar_d"); });
  /* currentUser.avatar is de bron van waarheid (server), niet het widget-eigen
     initState - geen dubbele opslag van dezelfde data op twee plekken. */
  return { getState: ()=>({}) };
}