namespace Maki.Rest
{
    /// <summary>
    /// REST API Endpoint Formatter
    /// </summary>
    static class RestEndpoints
    {
        /// <summary>
        /// Base URL of Discord
        /// </summary>
        public const string BASE_URL = "https://discordapp.com";

        /// <summary>
        /// Path to the REST API
        /// </summary>
        public static string BASE_PATH => "/api/v" + Discord.GATEWAY_VERSION;

        /// <summary>
        /// Url of Discord's CDN
        /// </summary>
        public const string CDN_URL = "https://cdn.discordapp.com";

        #region Channels
        /// <summary>
        /// Gets a Channel endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel endpoint</returns>
        public static string Channel(ulong chanId) => $@"/channels/{chanId}";

        /// <summary>
        /// Gets a Channel Bulk Delete endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Bulk Delete endpoint</returns>
        public static string ChannelBulkDelete(ulong chanId) => $@"/channels/{chanId}/messages/bulk_delete";

        /// <summary>
        /// Gets a Channel Call Ring endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Call Ring endpoint</returns>
        public static string ChannelCallRing(ulong chanId) => $@"/channels/{chanId}/call/ring";

        /// <summary>
        /// Gets a Channel Invites endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Call Ring endpoint</returns>
        public static string ChannelInvites(ulong chanId) => $@"/channels/{chanId}/invites";

        /// <summary>
        /// Gets a Channel Message Reaction endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="msgId">Message Id</param>
        /// <param name="reaction">Reaction Emoji</param>
        /// <returns>Channel Message Reaction endpoint</returns>
        public static string ChannelMessageReaction(ulong chanId, ulong msgId, string reaction) => $@"/channels/{chanId}/messages/{msgId}/reactions/{reaction}";

        /// <summary>
        /// Gets a Channel Message Reaction User endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="msgId">Message Id</param>
        /// <param name="reaction">Reaction Emoji</param>
        /// <param name="userId">User Id</param>
        /// <returns>Channel Message Reaction User endpoint</returns>
        public static string ChannelMessageReactionUser(ulong chanId, ulong msgId, string reaction, ulong userId) => $@"/channels/{chanId}/messages/{msgId}/reactions/{reaction}/{userId}";

        /// <summary>
        /// Gets a Channel Message Reactions endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="msgId">Message Id</param>
        /// <returns>Channel Message Reactions endpoint</returns>
        public static string ChannelMessageReactions(ulong chanId, ulong msgId) => $@"/channels/{chanId}/messages/{msgId}/reactions";

        /// <summary>
        /// Gets a Channel Message endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="msgId">Message Id</param>
        /// <returns>Channel Message endpoint</returns>
        public static string ChannelMessage(ulong chanId, ulong msgId) => $@"/channels/{chanId}/messages/{msgId}";

        /// <summary>
        /// Gets a Channel Messages endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Messages endpoint</returns>
        public static string ChannelMessages(ulong chanId) => $@"/channels/{chanId}/messages";

        /// <summary>
        /// Gets a Channel Messages Search endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Messages Search endpoint</returns>
        public static string ChannelMessagesSearch(ulong chanId) => $@"/channels/{chanId}/messages/search";

        /// <summary>
        /// Gets a Channel Permission endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="overId">Overwrite Id</param>
        /// <returns>Channel Permission endpoint</returns>
        public static string ChannelPermission(ulong chanId, ulong overId) => $@"/channels/{chanId}/permissions/{overId}";

        /// <summary>
        /// Gets a Channel Permissions endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Permissions endpoint</returns>
        public static string ChannelPermissions(ulong chanId) => $@"/channels/{chanId}/permissions";

        /// <summary>
        /// Gets a Channel Pin endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <param name="msgId">Message Id</param>
        /// <returns>Channel Pin endpoint</returns>
        public static string ChannelPin(ulong chanId, ulong msgId) => $@"/channels/{chanId}/pins/{msgId}";

        /// <summary>
        /// Gets a Channel Pins endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Pins endpoint</returns>
        public static string ChannelPins(ulong chanId) => $@"/channels/{chanId}/pins";

        /// <summary>
        /// Gets a Channel Recipient endpoint
        /// </summary>
        /// <param name="groupId">Group (DM Channel) Id</param>
        /// <param name="userId">Recipient (User) Id</param>
        /// <returns>Channel Recipient endpoint</returns>
        public static string ChannelRecipient(ulong groupId, ulong userId) => $@"/channels/{groupId}/recipients/{userId}";

        /// <summary>
        /// Gets a Channel Typing endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Typing endpoint</returns>
        public static string ChannelTyping(ulong chanId) => $@"/channels/{chanId}/typing";

        /// <summary>
        /// Gets a Channel Webhooks endpoint
        /// </summary>
        /// <param name="chanId">Channel Id</param>
        /// <returns>Channel Webhooks endpoint</returns>
        public static string ChannelWebhooks(ulong chanId) => $@"/channels/{chanId}/webhooks";

        /// <summary>
        /// Channels endpoint
        /// </summary>
        public static string Channels => @"/channels";
        #endregion

        #region Gateway
        /// <summary>
        /// Gateway endpoint
        /// </summary>
        public static string Gateway => @"/gateway";

        /// <summary>
        /// Bot Gateway endpoint
        /// </summary>
        public static string GatewayBot => @"/gateway/bot";
        #endregion

        #region Guild
        /// <summary>
        /// Gets a Guild endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild endpoint</returns>
        public static string Guild(ulong guildId) => $@"/guilds/{guildId}";

        /// <summary>
        /// Gets a Guild Ban endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="memberId">Member (banned user) Id</param>
        /// <returns>Guild Ban endpoint</returns>
        public static string GuildBan(ulong guildId, ulong memberId) => $@"/guilds/{guildId}/bans/{memberId}";

        /// <summary>
        /// Gets a Guild Bans endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Bans endpoint</returns>
        public static string GuildBans(ulong guildId) => $@"/guilds/{guildId}/bans";

        /// <summary>
        /// Gets a Guild Channels endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Channels endpoint</returns>
        public static string GuildChannels(ulong guildId) => $@"/guilds/{guildId}/channels";

        /// <summary>
        /// Gets a Guild Embed endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Embed endpoint</returns>
        public static string GuildEmbed(ulong guildId) => $@"/guilds/{guildId}/embed";

        /// <summary>
        /// Gets a Guild Emoji endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="emojiId">Emoji Id</param>
        /// <returns>Guild Emoji endpoint</returns>
        public static string GuildEmoji(ulong guildId, ulong emojiId) => $@"/guilds/{guildId}/emojis/{emojiId}";

        /// <summary>
        /// Gets a Guild Emojis endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Emojis endpoint</returns>
        public static string GuildEmojis(ulong guildId) => $@"/guilds/{guildId}/emojis";

        /// <summary>
        /// Gets a Guild Integration endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="intId">Integration Id</param>
        /// <returns>Guild Integration endpoint</returns>
        public static string GuildIntegration(ulong guildId, ulong intId) => $@"/guilds/{guildId}/integrations/{intId}";

        /// <summary>
        /// Gets a Guild Integration Sync endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="intId">Integration Id</param>
        /// <returns>Guild Integration Sync endpoint</returns>
        public static string GuildIntegrationSync(ulong guildId, ulong intId) => $@"/guilds/{guildId}/integrations/{intId}/sync";

        /// <summary>
        /// Gets a Guild Integrations endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Integrations endpoint</returns>
        public static string GuildIntegrations(ulong guildId) => $@"/guilds/{guildId}/integrations";

        /// <summary>
        /// Gets a Guild Invites endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Invites endpoint</returns>
        public static string GuildInvites(ulong guildId) => $@"/guilds/{guildId}/invites";

        /// <summary>
        /// Gets a Guild Member endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="memberId">Member (User) Id</param>
        /// <returns>Guild Member endpoint</returns>
        public static string GuildMember(ulong guildId, ulong memberId) => $@"/guilds/{guildId}/members/{memberId}";

        /// <summary>
        /// Gets a Guild Member Nickname endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="memberId">Member (User) Id</param>
        /// <returns>Guild Member Nickname endpoint</returns>
        public static string GuildMemberNick(ulong guildId, ulong memberId) => $@"/guilds/{guildId}/members/{memberId}/nick";

        /// <summary>
        /// Gets a Guild Member Role endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="memberId">Member (User) Id</param>
        /// <param name="roleId">Role Id</param>
        /// <returns>Guild Member Role endpoint</returns>
        public static string GuildMemberRole(ulong guildId, ulong memberId, ulong roleId) => $@"/guilds/{guildId}/members/{memberId}/roles/{roleId}";

        /// <summary>
        /// Gets a Guild Members endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Members endpoint</returns>
        public static string GuildMembers(ulong guildId) => $@"/guilds/{guildId}/members";

        /// <summary>
        /// Gets a Guild Messages Search endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Messages Search endpoint</returns>
        public static string GuildMessagesSearch(ulong guildId) => $@"/guilds/{guildId}/messages/search";

        /// <summary>
        /// Gets a Guild Prune endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Prune endpoint</returns>
        public static string GuildPrune(ulong guildId) => $@"/guilds/{guildId}/prune";

        /// <summary>
        /// Gets a Guild Role endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <param name="roleId">Role Id</param>
        /// <returns>Guild Role endpoint</returns>
        public static string GuildRole(ulong guildId, ulong roleId) => $@"/guilds/{guildId}/roles/{roleId}";

        /// <summary>
        /// Gets a Guild Roles endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Roles endpoint</returns>
        public static string GuildRoles(ulong guildId) => $@"/guilds/{guildId}/roles";

        /// <summary>
        /// 
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns></returns>
        public static string GuildVoiceRegions(ulong guildId) => $@"/guilds/{guildId}/regions";

        /// <summary>
        /// Gets a Guild Webhooks endpoint
        /// </summary>
        /// <param name="guildId">Guild Id</param>
        /// <returns>Guild Webhooks endpoint</returns>
        public static string GuildWebhooks(ulong guildId) => $@"/guilds/{guildId}/webhooks";

        /// <summary>
        /// Guild endpoint
        /// </summary>
        public static string Guilds => @"/guilds";
        #endregion

        #region Invite
        /// <summary>
        /// Gets an Invite endpoint
        /// </summary>
        /// <param name="inviteId">Invite Id</param>
        /// <returns>Invite endpoint</returns>
        public static string Invite(ulong inviteId) => $@"/invite/{inviteId}";
        #endregion

        #region OAuth2
        /// <summary>
        /// Gets an OAuth2 Application endpoint
        /// </summary>
        /// <param name="appId">OAuth2 Application Id</param>
        /// <returns>OAuth2 Application endpoint</returns>
        public static string OAuth2Application(ulong appId) => $@"/oauth2/applications/{appId}";
        #endregion

        #region User
        /// <summary>
        /// Gets a User endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <returns>User endpoint</returns>
        public static string User(ulong userId) => $@"/users/{userId}";

        /// <summary>
        /// Gets a User Channels endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <returns>User Channels endpoint</returns>
        public static string UserChannels(ulong userId) => $@"/users/{userId}/channels";

        /// <summary>
        /// Gets a User Guild endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <param name="guildId">Guild Id</param>
        /// <returns>User Guild endpoint</returns>
        public static string UserGuild(ulong userId, ulong guildId) => $@"/users/{userId}/guilds/{guildId}";

        /// <summary>
        /// Gets a User Guilds endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <returns>User Guilds endpoint</returns>
        public static string UserGuilds(ulong userId) => $@"/users/{userId}/guilds";

        /// <summary>
        /// Gets a User Note endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <param name="targetId">Target (User) Id</param>
        /// <returns>User Note endpoint</returns>
        public static string UserNote(ulong userId, ulong targetId) => $@"/users/{userId}/note/{targetId}";

        /// <summary>
        /// Gets a User Profile endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <returns>User Profile endpoint</returns>
        public static string UserProfile(ulong userId) => $@"/users/{userId}/profile";

        /// <summary>
        /// Gets a User Relationship endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <param name="targetId">Target (User) Id</param>
        /// <returns>User Relationship endpoint</returns>
        public static string UserRelationship(ulong userId, ulong targetId) => $@"/users/{userId}/relationships/{targetId}";

        /// <summary>
        /// Gets a User Settings endpoint
        /// </summary>
        /// <param name="userId">User Id</param>
        /// <returns>User Settings endpoint</returns>
        public static string UserSettings(ulong userId) => $@"/users/{userId}/settings";

        /// <summary>
        /// Users endpoint
        /// </summary>
        public static string Users => @"/users";
        #endregion

        #region Voice
        /// <summary>
        /// Voice Regions endpoint
        /// </summary>
        public static string VoiceRegions => @"/voice/regions";
        #endregion

        #region Webhooks
        /// <summary>
        /// Gets a Webhook endpoint
        /// </summary>
        /// <param name="hookId">Webhook Id</param>
        /// <returns>Webhook endpoint</returns>
        public static string Webhook(ulong hookId) => $@"/webhooks/{hookId}";

        /// <summary>
        /// Gets a Webhook endpoint with token
        /// </summary>
        /// <param name="hookId">Webhook Id</param>
        /// <param name="token">Webhook Token</param>
        /// <returns>Webhook endpoint with token</returns>
        public static string WebhookToken(ulong hookId, string token) => $@"/webhooks/{hookId}/{token}";

        /// <summary>
        /// Gets a Webhook endpoint with token for GitHub
        /// </summary>
        /// <param name="hookId">Webhook Id</param>
        /// <param name="token">Webhook Token</param>
        /// <returns>Webhook endpoint with token for GitHub</returns>
        public static string WebhookTokenGitHub(ulong hookId, string token) => $@"/webhooks/{hookId}/{token}/github";

        /// <summary>
        /// Gets a Webhook endpoint with token for Slack
        /// </summary>
        /// <param name="hookId">Webhook Id</param>
        /// <param name="token">Webhook Token</param>
        /// <returns>Webhook endpoint with token for Slack</returns>
        public static string WebhookTokenSlack(ulong hookId, string token) => $@"/webhooks/{hookId}/{token}/slack";
        #endregion
    }
}