// generated by bun run generate from the SwiftUI SDK and codegen/catalog.ts.
// edit the generator or catalog, then regenerate.
import type { NativeMenuItem } from './specs/OneNativeMenuNativeComponent'
import type { MenuItem } from './types'
import { assertSwiftUIValue } from './generated/swiftui'
export function flattenMenuItems(
  items: readonly MenuItem[],
  iosVersion = 17
): NativeMenuItem[] {
  const result: NativeMenuItem[] = []
  const ids = new Set<string>()
  const append = (
    items: readonly MenuItem[],
    parentId: string,
    disabled: boolean,
    hidden: boolean
  ) => {
    for (const item of items) {
      const input = item as unknown as Record<string, unknown>
      switch (item.type) {
        case 'action': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'systemImage' &&
              name !== 'role' &&
              name !== 'disabled' &&
              name !== 'hidden' &&
              name !== 'help' &&
              name !== 'menuActionDismissBehavior'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (input.title == null)
            throw new Error('Swift.Menu ' + item.type + ' requires title')
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const systemImage = input.systemImage ?? ''
          if (typeof systemImage !== 'string')
            throw new Error('Invalid Swift.Menu systemImage')
          const role = input.role ?? ''
          if (typeof role !== 'string') throw new Error('Invalid Swift.Menu role')
          if (role !== '') assertSwiftUIValue('ButtonRole', role, iosVersion)
          const disabledValue = input.disabled ?? false
          if (typeof disabledValue !== 'boolean')
            throw new Error('Invalid Swift.Menu disabled')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          const help = input.help ?? ''
          if (typeof help !== 'string') throw new Error('Invalid Swift.Menu help')
          const menuActionDismissBehavior = input.menuActionDismissBehavior ?? ''
          if (typeof menuActionDismissBehavior !== 'string')
            throw new Error('Invalid Swift.Menu menuActionDismissBehavior')
          if (menuActionDismissBehavior !== '')
            assertSwiftUIValue(
              'MenuActionDismissBehavior',
              menuActionDismissBehavior,
              iosVersion
            )
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage,
            role,
            disabled: disabled || disabledValue,
            hidden: hidden || hiddenValue,
            help,
            controlGroupStyle: 'automatic',
            values: [],
            selection: '',
            menuOrder: '',
            menuActionDismissBehavior,
            parentId,
            type: item.type,
          })
          break
        }
        case 'toggle': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'systemImage' &&
              name !== 'values' &&
              name !== 'disabled' &&
              name !== 'hidden' &&
              name !== 'help' &&
              name !== 'menuActionDismissBehavior'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (input.title == null)
            throw new Error('Swift.Menu ' + item.type + ' requires title')
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const systemImage = input.systemImage ?? ''
          if (typeof systemImage !== 'string')
            throw new Error('Invalid Swift.Menu systemImage')
          const values = input.values ?? []
          if (input.values == null)
            throw new Error('Swift.Menu ' + item.type + ' requires values')
          if (
            !Array.isArray(values) ||
            !values.length ||
            values.some((v) => typeof v !== 'boolean')
          )
            throw new Error('Swift.Menu toggle values must be a nonempty boolean array')
          const disabledValue = input.disabled ?? false
          if (typeof disabledValue !== 'boolean')
            throw new Error('Invalid Swift.Menu disabled')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          const help = input.help ?? ''
          if (typeof help !== 'string') throw new Error('Invalid Swift.Menu help')
          const menuActionDismissBehavior = input.menuActionDismissBehavior ?? ''
          if (typeof menuActionDismissBehavior !== 'string')
            throw new Error('Invalid Swift.Menu menuActionDismissBehavior')
          if (menuActionDismissBehavior !== '')
            assertSwiftUIValue(
              'MenuActionDismissBehavior',
              menuActionDismissBehavior,
              iosVersion
            )
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage,
            role: '',
            disabled: disabled || disabledValue,
            hidden: hidden || hiddenValue,
            help,
            controlGroupStyle: 'automatic',
            values,
            selection: '',
            menuOrder: '',
            menuActionDismissBehavior,
            parentId,
            type: item.type,
          })
          break
        }
        case 'submenu': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'systemImage' &&
              name !== 'disabled' &&
              name !== 'hidden' &&
              name !== 'help' &&
              name !== 'menuOrder' &&
              name !== 'menuActionDismissBehavior' &&
              name !== 'children'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (input.title == null)
            throw new Error('Swift.Menu ' + item.type + ' requires title')
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const systemImage = input.systemImage ?? ''
          if (typeof systemImage !== 'string')
            throw new Error('Invalid Swift.Menu systemImage')
          const disabledValue = input.disabled ?? false
          if (typeof disabledValue !== 'boolean')
            throw new Error('Invalid Swift.Menu disabled')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          const help = input.help ?? ''
          if (typeof help !== 'string') throw new Error('Invalid Swift.Menu help')
          const menuOrder = input.menuOrder ?? ''
          if (typeof menuOrder !== 'string')
            throw new Error('Invalid Swift.Menu menuOrder')
          if (menuOrder !== '') assertSwiftUIValue('MenuOrder', menuOrder, iosVersion)
          const menuActionDismissBehavior = input.menuActionDismissBehavior ?? ''
          if (typeof menuActionDismissBehavior !== 'string')
            throw new Error('Invalid Swift.Menu menuActionDismissBehavior')
          if (menuActionDismissBehavior !== '')
            assertSwiftUIValue(
              'MenuActionDismissBehavior',
              menuActionDismissBehavior,
              iosVersion
            )
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage,
            role: '',
            disabled: disabled || disabledValue,
            hidden: hidden || hiddenValue,
            help,
            controlGroupStyle: 'automatic',
            values: [],
            selection: '',
            menuOrder,
            menuActionDismissBehavior,
            parentId,
            type: item.type,
          })
          if (!Array.isArray(input.children))
            throw new Error('Swift.Menu ' + item.type + ' requires children')

          append(
            input.children,
            item.id,
            Boolean(disabled || disabledValue),
            Boolean(hidden || hiddenValue)
          )
          break
        }
        case 'section': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'hidden' &&
              name !== 'children'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage: '',
            role: '',
            disabled: disabled || false,
            hidden: hidden || hiddenValue,
            help: '',
            controlGroupStyle: 'automatic',
            values: [],
            selection: '',
            menuOrder: '',
            menuActionDismissBehavior: '',
            parentId,
            type: item.type,
          })
          if (!Array.isArray(input.children))
            throw new Error('Swift.Menu ' + item.type + ' requires children')

          append(
            input.children,
            item.id,
            Boolean(disabled || false),
            Boolean(hidden || hiddenValue)
          )
          break
        }
        case 'controlGroup': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'systemImage' &&
              name !== 'disabled' &&
              name !== 'hidden' &&
              name !== 'controlGroupStyle' &&
              name !== 'children'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const systemImage = input.systemImage ?? ''
          if (typeof systemImage !== 'string')
            throw new Error('Invalid Swift.Menu systemImage')
          const disabledValue = input.disabled ?? false
          if (typeof disabledValue !== 'boolean')
            throw new Error('Invalid Swift.Menu disabled')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          const controlGroupStyle = input.controlGroupStyle ?? 'automatic'
          if (typeof controlGroupStyle !== 'string')
            throw new Error('Invalid Swift.Menu controlGroupStyle')
          assertSwiftUIValue('ControlGroupStyle', controlGroupStyle, iosVersion)
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage,
            role: '',
            disabled: disabled || disabledValue,
            hidden: hidden || hiddenValue,
            help: '',
            controlGroupStyle,
            values: [],
            selection: '',
            menuOrder: '',
            menuActionDismissBehavior: '',
            parentId,
            type: item.type,
          })
          if (!Array.isArray(input.children))
            throw new Error('Swift.Menu ' + item.type + ' requires children')

          append(
            input.children,
            item.id,
            Boolean(disabled || disabledValue),
            Boolean(hidden || hiddenValue)
          )
          break
        }
        case 'picker': {
          for (const name of Object.keys(input)) {
            if (
              name !== 'type' &&
              name !== 'id' &&
              name !== 'title' &&
              name !== 'systemImage' &&
              name !== 'selection' &&
              name !== 'disabled' &&
              name !== 'hidden' &&
              name !== 'help' &&
              name !== 'children'
            )
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          const title = input.title ?? ''
          if (input.title == null)
            throw new Error('Swift.Menu ' + item.type + ' requires title')
          if (typeof title !== 'string') throw new Error('Invalid Swift.Menu title')
          const systemImage = input.systemImage ?? ''
          if (typeof systemImage !== 'string')
            throw new Error('Invalid Swift.Menu systemImage')
          const selection = input.selection ?? ''
          if (input.selection == null)
            throw new Error('Swift.Menu ' + item.type + ' requires selection')
          if (typeof selection !== 'string')
            throw new Error('Invalid Swift.Menu selection')
          const disabledValue = input.disabled ?? false
          if (typeof disabledValue !== 'boolean')
            throw new Error('Invalid Swift.Menu disabled')
          const hiddenValue = input.hidden ?? false
          if (typeof hiddenValue !== 'boolean')
            throw new Error('Invalid Swift.Menu hidden')
          const help = input.help ?? ''
          if (typeof help !== 'string') throw new Error('Invalid Swift.Menu help')
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title,
            systemImage,
            role: '',
            disabled: disabled || disabledValue,
            hidden: hidden || hiddenValue,
            help,
            controlGroupStyle: 'automatic',
            values: [],
            selection,
            menuOrder: '',
            menuActionDismissBehavior: '',
            parentId,
            type: item.type,
          })
          if (!Array.isArray(input.children))
            throw new Error('Swift.Menu ' + item.type + ' requires children')
          if (
            !input.children.length ||
            input.children.some((child: any) => child?.type !== 'action')
          )
            throw new Error('Swift.Menu picker children must be actions')
          if (!input.children.some((child: any) => child.id === input.selection))
            throw new Error('Swift.Menu picker selection must match a child id')

          append(
            input.children,
            item.id,
            Boolean(disabled || disabledValue),
            Boolean(hidden || hiddenValue)
          )
          break
        }
        case 'divider': {
          for (const name of Object.keys(input)) {
            if (name !== 'type' && name !== 'id')
              throw new Error(
                'Unsupported Swift.Menu ' + item.type + ' property: ' + name
              )
          }
          const id = input.id ?? ''
          if (input.id == null)
            throw new Error('Swift.Menu ' + item.type + ' requires id')
          if (typeof id !== 'string') throw new Error('Invalid Swift.Menu id')
          if (!item.id || ids.has(item.id))
            throw new Error(
              'Swift.Menu requires unique, nonempty item ids: "' + item.id + '"'
            )
          ids.add(item.id)
          result.push({
            id,
            title: '',
            systemImage: '',
            role: '',
            disabled: disabled || false,
            hidden: hidden || false,
            help: '',
            controlGroupStyle: 'automatic',
            values: [],
            selection: '',
            menuOrder: '',
            menuActionDismissBehavior: '',
            parentId,
            type: item.type,
          })
          break
        }
        default:
          throw new Error('Unknown Swift.Menu item type: ' + input.type)
      }
    }
  }
  append(items, '', false, false)
  return result
}