// Generated, do not edit. sha256:c1446a22c58388fe401f93d2f54194b187120f3e6ec07b997b51d0acb9bb51b4
import * as dialog from '../ui/dialog.js';
import { esc } from '../ui/escape.js';
import { fmtBaseSigned, fmtPct, pctTone, colouredSigns, isBaseAsset } from '../ui/format.js';
import { assetLabel, byKindAndLabel } from '../ui/asset-label.js';
import { t } from '../i18n/index.js';
import { localDateNl } from '../../shared/time.js';
import { ENUMS } from '../../shared/config.js';
import { seriesFor } from './series.js';
import { periodChoices, startPeriod, returnLine, idsForSelection, contributorsPerDay } from './return-view.js';
import { getPref, setPref } from '../data/preferences.js';
import { drawReturnChart } from './return-chart.js';
import { carriedDays } from './carried.js';
import { selectLabel } from '../ui/select-label.js';

const DASH = '-';
const PREF_SCOPE = 'wealth.return';
const live = new Set();

export function openReturnDialog({ reeks, assets = [], page = null, selection = null } = {}) {
  const closed = dialog.detail({ title: t('wealth.returnTitle'), html: '<div class="return-view return-view--dialog" data-return></div>' });
  const hosts = document.querySelectorAll('.dialog-overlay [data-return]');
  const host = hosts[hosts.length - 1];
  if (!host) return;
  const controls = host.closest('.dialog')?.querySelector('[data-dialog-aside]') || null;
  const ids = idsForSelection(selection, assets);
  const view = mount(host, { reeks, assets, page, data: dataKeyFor(selection, ids), selectionIds: ids, controls });
  closed.then(() => view.destroy());
}

export async function mountReturnPanel(host, { reeks, asset }) {
  const key = String(asset.id);
  const stored = await getPref(PREF_SCOPE, key, null).catch(() => null);
  if (!host.isConnected) return null;
  return mount(host, { reeks, assets: [asset], page: null, data: `asset:${asset.id}`, stored,
    onPeriod: period => setPref(PREF_SCOPE, key, period).catch(() => { }) });
}

export function refreshReturn() {
  for (const v of [...live]) v.render();
}

export function lineForData({ reeks, assets = [], data = 'total', venster = null, selectionIds = null }) {
  const ids = idsOf(data, assets, selectionIds);
  const line = returnLine(seriesFor(reeks, ids && ids.length === 1 ? ids[0] : ids), venster);
  const noPct = withoutPct(ids, assets);
  const top = contributorsOf(reeks, ids ?? assets.map(a => a.id), venster, assets);
  const carried = carriedDays(reeks, ids, assets);
  return {
    amount: line.amount,
    pct: noPct ? null : line.pct,
    points: line.points.map(p => ({ ...p, pct: noPct ? null : p.pct, top: top.get(p.i) || [], carried: carried.has(p.i) })),
  };
}

export function drawLine(canvas, reeks, points) {
  return drawReturnChart(canvas, points, points.map(p => localDateNl(`${reeks.dagen[p.i]}T00:00:00Z`)));
}

function dataKeyFor(selection, ids) {
  if (!ids) return 'total';
  if (selection?.kind) return `kind:${selection.kind}`;
  if (ids.length === 1) return `asset:${ids[0]}`;
  return 'selection';
}

function idsOf(key, assets, selectionIds) {
  if (key === 'total') return null;
  if (key === 'selection') return selectionIds;
  if (key.startsWith('kind:')) return assets.filter(a => a.kind === key.slice(5)).map(a => a.id);
  return [Number(key.slice(6))];
}

const withoutPct = (ids, assets) => ids?.length === 1 && isBaseAsset(assets.find(a => a.id === ids[0]) || {});

function contributorsOf(reeks, ids, venster, assets) {
  const byId = new Map(assets.map(a => [a.id, a]));
  const named = new Map();
  for (const [i, list] of contributorsPerDay(reeks, ids, venster)) {
    named.set(i, list.filter(c => byId.has(c.id)).map(c => ({
      label: assetLabel(byId.get(c.id)), day: c.day, pct: isBaseAsset(byId.get(c.id)) ? null : c.pct,
    })));
  }
  return named;
}

function mount(host, { reeks, assets, page, data, selectionIds = null, controls = null, stored = null, onPeriod = null }) {
  const length = reeks?.dagen?.length || 0;
  const periods = periodChoices(length, page);
  const state = { data, period: startPeriod(periods, stored), chart: null, gen: 0, lines: null };

  const view = {
    render() {
      if (!host.isConnected) { view.destroy(); return; }
      if (!length) { host.innerHTML = `<div class="t-muted-cell">${t('wealth.noChart')}</div>`; return; }
      const lines = new Map(periods.map(p => [p.key, lineForData({ reeks, assets, data: state.data, venster: p.venster, selectionIds })]));
      state.lines = lines;
      if (controls) controls.innerHTML = dataSelect(assets, state.data, selectionIds);
      host.innerHTML = `
        <div class="return-periods" role="group">${periods.map(p => periodButton(p, lines.get(p.key), state.period)).join('')}</div>
        <div class="return-plot"><canvas data-return-chart></canvas></div>`;
      drawChart(lines.get(state.period)?.points || []);
    },
    destroy() {
      live.delete(view);
      state.chart?.destroy();
      state.chart = null;
    },
  };

  async function drawChart(points) {
    const gen = ++state.gen;
    state.chart?.destroy();
    state.chart = null;
    const canvas = host.querySelector('[data-return-chart]');
    if (!canvas) return;
    if (points.length < 2) {
      canvas.parentElement.innerHTML = `<div class="t-muted-cell">${t('wealth.noChart')}</div>`;
      return;
    }
    const chart = await drawLine(canvas, reeks, points).catch(() => null);
    if (gen !== state.gen || !host.isConnected) { chart?.destroy(); return; }
    state.chart = chart;
  }

  host.addEventListener('click', e => {
    const btn = e.target.closest('[data-period]');
    if (!btn || btn.disabled || btn.dataset.period === state.period) return;
    state.period = btn.dataset.period;
    onPeriod?.(state.period);
    for (const b of host.querySelectorAll('[data-period]')) b.classList.toggle('is-on', b === btn);
    if (!host.querySelector('[data-return-chart]')) {
      host.querySelector('.return-plot').innerHTML = '<canvas data-return-chart></canvas>';
    }
    drawChart(state.lines?.get(state.period)?.points || []);
  });
  controls?.addEventListener('change', e => {
    const sel = e.target.closest('[data-return-data]');
    if (!sel) return;
    state.data = sel.value;
    view.render();
  });

  live.add(view);
  view.render();
  return view;
}

function periodLabel(p) {
  if (p.key === 'page') return p.label ?? DASH;
  if (p.days == null) return t('wealth.sinceStart');
  if (p.days === 1) return t('wealth.periodDay');
  if (p.days === 365) return t('wealth.periodYear');
  return t('wealth.periodDays', { n: p.days });
}

const tone = v => (v == null ? '' : v > 0.005 ? 't-pos' : v < -0.005 ? 't-neg' : '');

function periodButton(p, line, current) {
  const on = p.key === current ? ' is-on' : '';
  const off = p.venster ? '' : ' disabled';
  const amount = line?.amount == null ? DASH : `<span class="val">${esc(fmtBaseSigned(line.amount, colouredSigns()))}</span>`;
  const pct = line?.pct == null ? '' : fmtPct(line.pct, { fine: p.days === 1, signs: colouredSigns() });
  return `<button type="button" class="return-period${on}" data-period="${esc(p.key)}"${off}>
      <span class="return-period-label">${esc(periodLabel(p))}</span>
      <span class="return-period-amount ${tone(line?.amount)}">${amount}</span>
      <span class="return-period-pct">${pct ? `<span class="delta ${pctTone(line.pct, { fine: p.days === 1 })}">${esc(pct)}</span>` : ''}</span>
    </button>`;
}

function dataSelect(assets, current, selectionIds) {
  const opt = (value, label) => `<option value="${esc(value)}"${value === current ? ' selected' : ''}>${esc(label)}</option>`;
  const kinds = ENUMS.ASSET_KIND.filter(k => assets.some(a => a.kind === k));
  const sorted = [...assets].sort(byKindAndLabel);
  return selectLabel(`<select data-return-data aria-label="${esc(t('wealth.returnData'))}">
      ${opt('total', t('wealth.returnTotal'))}
      ${selectionIds?.length > 1 ? opt('selection', t('wealth.returnSelection', { n: selectionIds.length })) : ''}
      <optgroup label="${esc(t('wealth.returnKinds'))}">${kinds.map(k => opt(`kind:${k}`, t('enums.asset_kind.' + k))).join('')}</optgroup>
      <optgroup label="${esc(t('wealth.returnAssets'))}">${sorted.map(a => opt(`asset:${a.id}`, assetLabel(a))).join('')}</optgroup>
    </select>`);
}