// Generated, do not edit. sha256:816fe4fc80fac9d9927e815f090b57c44b134b1e4cc673a3ba8e1be8e308842d
import * as db from '../db.js';
import { PREFERENCES } from '../../shared/config.js';
import { assertEnum } from './_shared.js';
import { getBaseCurrency } from './portfolio.js';
import { fail } from '../../shared/app-error.js';
import { installLocale, setInstallLocale } from '../installation.mjs';

function prefSpec(scope, key) {
  const s = PREFERENCES[scope];
  if (!s) return undefined;
  return s[key] || s['*'];
}

export function getPref(scope, key, fallback = undefined) {
  const spec = prefSpec(scope, key);
  const row = db.one(`SELECT value FROM Preference WHERE scope = ? AND key = ?`, [scope, key]);
  if (row) {
    const v = JSON.parse(row.value);
    if (spec && spec.type === 'enum' && Array.isArray(spec.allowed) && !spec.allowed.includes(v)) return spec.initial;
    return v;
  }
  return spec ? spec.initial : fallback;
}

export async function setPref(scope, key, value) {
  const spec = prefSpec(scope, key);
  if (spec) {
    if (spec.type === 'enum') assertEnum(`${scope}.${key}`, spec.allowed, value);
    else if (spec.type === 'bool') {
      value = Number(value);
      if (value !== 0 && value !== 1) fail('settings.prefBadValue', { scope, key, waarde: value }, `Invalid value for ${scope}.${key}: ${value}.`);
    }
    else if (spec.type === 'int') {
      value = Number(value);
      if (!Number.isInteger(value)) fail('settings.prefWantsInteger', { scope, key, waarde: value }, `Invalid value for ${scope}.${key}: ${value} (an integer was expected).`);
      if (spec.min != null && value < spec.min) fail('settings.prefBelowMin', { scope, key, min: spec.min }, `${scope}.${key} may not be smaller than ${spec.min}.`);
      if (spec.max != null && value > spec.max) fail('settings.prefAboveMax', { scope, key, max: spec.max }, `${scope}.${key} may not be greater than ${spec.max}.`);
    }
  }
  db.run(`INSERT INTO Preference (scope, key, value) VALUES (?,?,?)
          ON CONFLICT(scope, key) DO UPDATE SET value = excluded.value`,
    [scope, key, JSON.stringify(value)]);
  await db.persist();
}

export function getSettings() {
  const out = {};
  for (const [key] of Object.entries(PREFERENCES.app)) {
    out[key] = getPref('app', key);
  }
  out.locale = installLocale();
  out.version = db.schemaVersion();
  out.baseCurrency = getBaseCurrency();
  return out;
}

export async function updateSettings(patch) {
  for (const [key, value] of Object.entries(patch)) {
    if (value === undefined) continue;
    if (key === 'locale') { setInstallLocale(value); continue; }
    if (!PREFERENCES.app[key]) fail('settings.unknownSetting', { key }, `Unknown setting: ${key}.`);
    await setPref('app', key, value);
  }
}

export function forgetPrefRow(scope, key) {
  db.run(`DELETE FROM Preference WHERE scope = ? AND key = ?`, [scope, key]);
}

export async function deletePref(scope, key) {
  forgetPrefRow(scope, key);
  await db.persist();
}