import type { Permissions, Snowflake } from '../../globals';
import type { APIApplication, APIGuild, APIUser, APIWebhook, OAuth2Scopes } from '../../payloads/v9/index';

/**
 * https://discord.com/developers/docs/topics/oauth2#get-current-bot-application-information
 */
export type RESTGetAPIOAuth2CurrentApplicationResult = Omit<APIApplication, 'flags'>;

/**
 * https://discord.com/developers/docs/topics/oauth2#get-current-authorization-information
 */
export interface RESTGetAPIOAuth2CurrentAuthorizationResult {
	/**
	 * the current application
	 */
	application: Partial<APIApplication>;
	/**
	 * the scopes the user has authorized the application for
	 */
	scopes: OAuth2Scopes[];
	/**
	 * when the access token expires
	 */
	expires: string;
	/**
	 * the user who has authorized, if the user has authorized with the `identify` scope
	 */
	user?: APIUser;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#authorization-code-grant
 */
export interface RESTOAuth2AuthorizationQuery {
	response_type: 'code';
	client_id: Snowflake;
	scope: string;
	redirect_uri?: string;
	state?: string;
	prompt?: 'consent' | 'none';
}

/**
 * https://discord.com/developers/docs/topics/oauth2#authorization-code-grant-redirect-url-example
 */
export interface RESTOAuth2AuthorizationQueryResult {
	code: string;
	state?: string;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#authorization-code-grant-redirect-url-example
 */
export interface RESTPostOAuth2AccessTokenURLEncodedData {
	client_id: Snowflake;
	client_secret: string;
	grant_type: 'authorization_code';
	code: string;
	redirect_uri?: string;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#authorization-code-grant-access-token-response
 */
export interface RESTPostOAuth2AccessTokenResult {
	access_token: string;
	token_type: string;
	expires_in: number;
	refresh_token: string;
	scope: string;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#authorization-code-grant-refresh-token-exchange-example
 */
export interface RESTPostOAuth2RefreshTokenURLEncodedData {
	client_id: Snowflake;
	client_secret: string;
	grant_type: 'refresh_token';
	refresh_token: string;
}

export type RESTPostOAuth2RefreshTokenResult = RESTPostOAuth2AccessTokenResult;

/**
 * https://discord.com/developers/docs/topics/oauth2#implicit-grant
 */
export interface RESTOAuth2ImplicitAuthorizationQuery {
	response_type: 'token';
	client_id: Snowflake;
	scope: string;
	redirect_uri?: string;
	state?: string;
	prompt?: 'consent' | 'none';
}

/**
 * https://discord.com/developers/docs/topics/oauth2#implicit-grant-redirect-url-example
 */
export type RESTOAuth2ImplicitAuthorizationURLFragmentResult = Omit<RESTPostOAuth2AccessTokenResult, 'refresh_token'>;

/**
 * https://discord.com/developers/docs/topics/oauth2#client-credentials-grant
 */
export interface RESTPostOAuth2ClientCredentialsURLEncodedData {
	grant_type: 'client_credentials';
	scope: string;
}

export type RESTPostOAuth2ClientCredentialsResult = RESTOAuth2ImplicitAuthorizationURLFragmentResult;

/**
 * https://discord.com/developers/docs/topics/oauth2#bot-authorization-flow-bot-auth-parameters
 */
export interface RESTOAuth2BotAuthorizationQuery {
	/**
	 * Your app's client id
	 */
	client_id: Snowflake;
	/**
	 * Needs to include bot for the bot flow
	 */
	scope:
		| OAuth2Scopes.Bot
		| `${string}${' ' | '%20'}${OAuth2Scopes.Bot}`
		| `${OAuth2Scopes.Bot}${' ' | '%20'}${string}`
		| `${string}${' ' | '%20'}${OAuth2Scopes.Bot}${string}${' ' | '%20'}`;
	/**
	 * The permissions you're requesting
	 *
	 * See https://discord.com/developers/docs/topics/permissions
	 */
	permissions?: Permissions;
	/**
	 * Pre-fills the dropdown picker with a guild for the user
	 */
	guild_id?: Snowflake;
	/**
	 * `true` or `false`—disallows the user from changing the guild dropdown
	 */
	disable_guild_select?: boolean;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#advanced-bot-authorization
 */
export interface RESTOAuth2AdvancedBotAuthorizationQuery {
	client_id: Snowflake;
	/**
	 * This assumes you include the `bot` scope alongside others (like `identify` for example)
	 */
	scope:
		| OAuth2Scopes.Bot
		| `${string}${' ' | '%20'}${OAuth2Scopes.Bot}`
		| `${OAuth2Scopes.Bot}${' ' | '%20'}${string}`
		| `${string}${' ' | '%20'}${OAuth2Scopes.Bot}${string}${' ' | '%20'}`;
	/**
	 * The required permissions bitfield, stringified
	 */
	permissions?: Permissions;
	guild_id?: Snowflake;
	disable_guild_select?: boolean;
	response_type: string;
	redirect_uri?: string;
}

export interface RESTOAuth2AdvancedBotAuthorizationQueryResult {
	code: string;
	state?: string;
	guild_id: Snowflake;
	permissions: Permissions;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#advanced-bot-authorization-extended-bot-authorization-access-token-example
 */
export interface RESTPostOAuth2AccessTokenWithBotAndGuildsScopeResult {
	access_token: string;
	token_type: string;
	expires_in: number;
	refresh_token: string;
	scope: string;
	guild: APIGuild;
}

/**
 * https://discord.com/developers/docs/topics/oauth2#webhooks-webhook-token-response-example
 */
export interface RESTPostOAuth2AccessTokenWithBotAndWebhookIncomingScopeResult {
	access_token: string;
	token_type: string;
	expires_in: number;
	refresh_token: string;
	scope: string;
	webhook: APIWebhook;
}

export type RESTPostOAuth2AccessTokenWithBotAndGuildsAndWebhookIncomingScopeResult =
	RESTPostOAuth2AccessTokenWithBotAndGuildsScopeResult & RESTPostOAuth2AccessTokenWithBotAndWebhookIncomingScopeResult;