import { IGenericSelect } from '../../../generic/types';
import {
  ISlackTextObject,
  ISlackSelectStatic,
  ISlackSelectUsers,
  ISlackChannelsSelect,
  ISlackSelectConversations,
  ISlackMultiUsersSelect,
  ISlackMultiConversationSelect,
  ISlackOverflow,
  ISlackConfirm,
  ISlackMultiStaticSelect,
  ISlackInput
} from '../../types';

import { transformTextObject } from './text';
import {
  convertGenericOptions, convertGenericOptionsGroup,
  convertGenericSingleOption, convertGenericSingleOptionGroup
} from '../helpers/convert-options';
import { getElementWithSectionWrapper } from '../helpers/section-wrapper';
import { transformConfirm } from './confirm';
import { getErrorObject } from '../../../../helpers/get-error-object';

function transformSelect({ props }: IGenericSelect, type: String): ISlackSelectStatic
function transformSelect({ props }: IGenericSelect, type: String): ISlackSelectUsers
function transformSelect({ props }: IGenericSelect, type: String): ISlackMultiConversationSelect
function transformSelect({ props }: IGenericSelect, type: String): ISlackOverflow
function transformSelect({ props }: IGenericSelect, type: String): ISlackChannelsSelect
function transformSelect({ props }: IGenericSelect, type: String): ISlackSelectConversations
function transformSelect({ props }: IGenericSelect, type: String): ISlackMultiUsersSelect
function transformSelect({ props }: IGenericSelect, type: String): ISlackMultiStaticSelect
function transformSelect({ props }: IGenericSelect, type: String): ISlackInput
function transformSelect({ props }: IGenericSelect, type: String) {
  const slackType = props.slack?.type || 'static_select';

  let label: ISlackTextObject;
  let placeholder: ISlackTextObject;
  let confirm: ISlackConfirm;

  if (props.label) {
    label = transformTextObject({
      value: props.label,
      type: 'plain'
    });
  }

  if (props.placeholder) {
    placeholder = transformTextObject({
      value: props.placeholder,
      type: 'plain',
      slack: {
        type: props.slack?.placeholder_type,
        emoji: props.slack?.placeholder_emoji,
        verbatim: props.slack?.placeholder_verbatim
      }
    });
  }

  const action_id = props.slack?.action_id || props.variableName || props.web?.variableName;
  const interactive = props?.web?.interactive;

  if (props.slack?.confirm) {
    confirm = transformConfirm(props.slack?.confirm);
  }

  if (slackType === 'static_select') {
    const res: ISlackSelectStatic = {
      type: 'static_select',
      placeholder,
      action_id
    };

    if (props.options) {
      res.options = convertGenericOptions(props.options);

      if (props.slack?.initial_option) {
        res.initial_option = convertGenericSingleOption(props.slack?.initial_option);
      }
    }

    if (props.slack?.option_groups) {
      res.option_groups = convertGenericOptionsGroup(props.slack?.option_groups);

      if (props.slack?.initial_option) {
        res.initial_option = convertGenericSingleOptionGroup(props.slack?.initial_option);
      }
    }

    if (confirm) res.confirm = confirm;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'multi_static_select') {
    const res: ISlackMultiStaticSelect = {
      type: 'multi_static_select',
      placeholder,
      action_id
    };

    if (props.options) {
      res.options = convertGenericOptions(props.options);

      if (props.value) {
        res.initial_options = convertGenericSingleOption(props.value);
      }
    }

    if (props.slack?.option_groups) {
      res.option_groups = convertGenericOptionsGroup(props.slack?.option_groups);

      if (props.value) {
        res.initial_options = convertGenericSingleOptionGroup(props.value);
      }
    }

    const max_selected_items = props.slack?.max_selected_items;
    if (max_selected_items) res.max_selected_items = max_selected_items;
    if (confirm) res.confirm = confirm;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'users_select') {
    const res: ISlackSelectUsers = {
      type: 'users_select',
      placeholder,
      action_id
    };

    const initial_user = props.value;

    if (initial_user) res.initial_user = initial_user;
    if (confirm) res.confirm = confirm;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'multi_conversations_select') {
    const res: ISlackMultiConversationSelect = {
      type: 'multi_conversations_select',
      placeholder,
      action_id
    };

    const initial_conversation = props.value;
    const default_to_current_conversation = props.slack?.default_to_current_conversation;
    const max_selected_items = props.slack?.max_selected_items;
    const filter = props.slack?.filter;

    if (initial_conversation) res.initial_conversation = initial_conversation;
    if (default_to_current_conversation) res.default_to_current_conversation = default_to_current_conversation;
    if (confirm) res.confirm = confirm;
    if (max_selected_items) res.max_selected_items = max_selected_items;
    if (filter) res.filter = filter;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'overflow') {
    const res: ISlackOverflow = {
      type: 'overflow',
      action_id,
      options: convertGenericOptions(props.options)
    };

    if (confirm) res.confirm = confirm;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'conversations_select') {
    const res: ISlackSelectConversations = {
      type: 'conversations_select',
      placeholder,
      action_id
    };

    const initial_conversation = props.value;
    const default_to_current_conversation = props.slack?.default_to_current_conversation;
    const response_url_enabled = props.slack?.response_url_enabled;
    const filter = props.slack?.filter;

    if (initial_conversation) res.initial_conversation = initial_conversation;
    if (default_to_current_conversation) res.default_to_current_conversation = default_to_current_conversation;
    if (confirm) res.confirm = confirm;
    if (response_url_enabled) res.response_url_enabled = response_url_enabled;
    if (filter) res.filter = filter;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'channels_select') {
    const res: ISlackChannelsSelect = {
      type: 'channels_select',
      placeholder,
      action_id
    };

    const initial_channel = props.value;
    const response_url_enabled = props.slack?.response_url_enabled;

    if (initial_channel) res.initial_channel = initial_channel;
    if (response_url_enabled) res.response_url_enabled = response_url_enabled;
    if (confirm) res.confirm = confirm;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  if (slackType === 'multi_users_select') {
    const res: ISlackMultiUsersSelect = {
      type: 'multi_users_select',
      placeholder,
      action_id
    };

    const initial_users = props.value;
    const max_selected_items = props.slack?.max_selected_items;

    if (initial_users) res.initial_users = initial_users;
    if (confirm) res.confirm = confirm;
    if (max_selected_items) res.max_selected_items = max_selected_items;

    if (interactive || label) {
      return getElementWithSectionWrapper(res, label, interactive);
    }

    return res;
  }

  return getErrorObject({ type: slackType, message: 'transformSelect fromGeneric method' })();
}

export { transformSelect };