import { ref, getCurrentInstance, inject, computed, provide, unref } from 'vue';
import '../../tokens/index.mjs';
import '../../utils/index.mjs';
import { configProviderContextKey } from '../../tokens/config-provider.mjs';
import { debugWarn } from '../../utils/error.mjs';
import { keysOf } from '../../utils/objects.mjs';

const globalConfig = ref();
function useGlobalConfig(key, defaultValue = void 0) {
  const config = getCurrentInstance() ? inject(configProviderContextKey, globalConfig) : globalConfig;
  if (key) {
    return computed(() => {
      var _a, _b;
      return (_b = (_a = config.value) == null ? void 0 : _a[key]) != null ? _b : defaultValue;
    });
  } else {
    return config;
  }
}
const provideGlobalConfig = (config, app, global = false) => {
  var _a;
  const inSetup = !!getCurrentInstance();
  const oldConfig = inSetup ? useGlobalConfig() : void 0;
  const provideFn = (_a = app == null ? void 0 : app.provide) != null ? _a : inSetup ? provide : void 0;
  if (!provideFn) {
    debugWarn("provideGlobalConfig", "provideGlobalConfig() can only be used inside setup().");
    return;
  }
  const context = computed(() => {
    const cfg = unref(config);
    if (!(oldConfig == null ? void 0 : oldConfig.value))
      return cfg;
    return mergeConfig(oldConfig.value, cfg);
  });
  provideFn(configProviderContextKey, context);
  if (global || !globalConfig.value) {
    globalConfig.value = context.value;
  }
  return context;
};
const mergeConfig = (a, b) => {
  var _a;
  const keys = [.../* @__PURE__ */ new Set([...keysOf(a), ...keysOf(b)])];
  const obj = {};
  for (const key of keys) {
    obj[key] = (_a = b[key]) != null ? _a : a[key];
  }
  return obj;
};

export { provideGlobalConfig, useGlobalConfig };
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