import { h, mount, field, input, toast, errorBox, time, modal, badge } from "../ui.js";
import { api, get } from "../api.js";
import * as totp from "../totp.js";
import { tokenTable, newTokenForm, grantHelp } from "./users.js";

export async function render(el) {
  const me = await get("/auth/whoami");
  const grants = await get("/catalog/grants");
  const tokensEl = h("div");
  const drawTokens = async () => {
    const tokens = await get("/me/tokens");
    mount(tokensEl, tokenTable(tokens, drawTokens), newTokenForm("/me/tokens", grants, drawTokens, { admin: me.admin, grants: me.user.grants }));
  };
  const cur = input({ type: "password", autocomplete: "current-password" });
  const pw1 = input({ type: "password", autocomplete: "new-password" });
  const pw2 = input({ type: "password", autocomplete: "new-password" });
  const err = h("div");
  mount(el,
    h("h1", null, "Account: " + me.user.username),
    h("div", { class: "panel" }, h("h2", null, "Permissions"),
      h("div", { class: "grants" }, (me.permissions || []).map((p) => h("div", null, p)))),
    me.method === "session" ? twoFactorPanel(me) : null,
    h("div", { class: "panel" }, h("h2", null, "Change password"),
      h("div", { class: "form-grid" }, field("Current password", cur), field("New password", pw1, "At least 8 characters."), field("Repeat", pw2)),
      err,
      h("div", { class: "actions", style: { marginTop: "8px" } }, h("button", { class: "primary", onclick: async () => {
        mount(err);
        if (pw1.value !== pw2.value) { mount(err, h("div", { class: "msg err" }, "The new passwords don't match.")); return; }
        try {
          await api("POST", "/me/password", { body: { current_password: cur.value, password: pw1.value } });
          toast("Password changed; other sessions were logged out");
          cur.value = pw1.value = pw2.value = "";
        } catch (e) { mount(err, errorBox(e)); }
      } }, "Change password"))),
    h("div", { class: "panel" }, h("h2", null, "My API tokens"),
      h("p", { class: "muted small" }, "Use a token with the jarl CLI (jarl config set token …) or any HTTP client: Authorization: Bearer <token>."),
      tokensEl),
    grantHelp(grants));
  await drawTokens();
}

// twoFactorPanel shows and changes the user's two-factor login.
function twoFactorPanel(me) {
  const el = h("div", { class: "panel" });
  const draw = async () => {
    const st = await get("/me/totp");
    const body = h("div");
    const redraw = () => draw();
    if (!st.enabled) {
      mount(el, h("h2", null, "Two-factor login"),
        h("p", null, "Log in with your password and a code from an authenticator app on your phone, so a stolen password alone isn't enough.",
          st.required ? h("strong", null, " This server requires it for your account.") : null),
        body);
      totp.setup(body, me, redraw);
      return;
    }
    const actions = h("div", { class: "actions" });
    mount(el, h("h2", null, "Two-factor login"),
      h("p", null, badge("on", "ok"), " since ", time(st.enabled_at), ". ",
        st.recovery_codes_left + " of 10 recovery codes left.",
        st.required ? h("span", { class: "muted" }, " Required on this server.") : null),
      st.recovery_codes_left <= 3 ? h("div", { class: "msg warn" }, "Only " + st.recovery_codes_left + " recovery codes are left: make new ones.") : null,
      body, actions);
    mount(actions,
      h("button", { onclick: () => {
        mount(actions);
        totp.setup(body, me, redraw, { again: true, cancel: redraw });
      } }, "Move to a new phone"),
      h("button", { onclick: async () => {
        try {
          const r = await api("POST", "/me/totp/recovery-codes");
          mount(actions);
          mount(body, totp.recoveryBox(r.recovery_codes, me.user.username),
            h("div", { class: "actions", style: { marginTop: "8px" } }, h("button", { class: "primary", onclick: redraw }, "I have saved the codes")));
        } catch (e) { toast(e.message, "err", 8000); }
      } }, "New recovery codes"),
      st.required ? null : h("button", { class: "danger", onclick: () => disable(me, redraw) }, "Turn off"));
  };
  draw();
  return el;
}

async function disable(me, done) {
  const pw = input({ type: "password", autocomplete: "current-password" });
  const code = input({ autocomplete: "one-time-code", placeholder: "123456 or a recovery code" });
  const err = h("div");
  const ok = await modal("Turn off two-factor login", h("div", null,
    h("p", null, "You will log in with your password alone."),
    h("div", { class: "form-grid" },
      me.user.has_password ? field("Password", pw) : null,
      field("Code", code, "From your authenticator app, or a recovery code.")), err), [
    { label: "Cancel", value: null },
    { label: "Turn off", kind: "danger", onclick: async () => {
      try {
        await api("POST", "/me/totp/disable", { body: { password: pw.value, code: code.value } });
        return true;
      } catch (e) { mount(err, errorBox(e)); return false; }
    } },
  ]);
  if (ok) { toast("Two-factor login is off"); done(); }
}