"use strict";

var Permissions = require("../Constants.js").Permissions;

class ChannelPermissions {
	constructor(permissions) {
		this.permissions = permissions;
	}

	serialise(explicit) {

		var hp = perm => this.hasPermission(perm, explicit);

		return {
			// general
			createInstantInvite: hp(Permissions.createInstantInvite),
			kickMembers: hp(Permissions.kickMembers),
			banMembers: hp(Permissions.banMembers),
			managePermissions: hp(Permissions.managePermissions),
			manageChannel: hp(Permissions.manageChannel),
			manageServer: hp(Permissions.manageServer),
			// text
			readMessages: hp(Permissions.readMessages),
			sendMessages: hp(Permissions.sendMessages),
			sendTTSMessages: hp(Permissions.sendTTSMessages),
			manageMessages: hp(Permissions.manageMessages),
			embedLinks: hp(Permissions.embedLinks),
			attachFiles: hp(Permissions.attachFiles),
			readMessageHistory: hp(Permissions.readMessageHistory),
			mentionEveryone: hp(Permissions.mentionEveryone),
			// voice
			voiceConnect: hp(Permissions.voiceConnect),
			voiceSpeak: hp(Permissions.voiceSpeak),
			voiceMuteMembers: hp(Permissions.voiceMuteMembers),
			voiceDeafenMembers: hp(Permissions.voiceDeafenMembers),
			voiceMoveMembers: hp(Permissions.voiceMoveMembers),
			voiceUseVAD: hp(Permissions.voiceUseVAD)
		};
	}

	serialize() {
		// ;n;
		return this.serialise();
	}

	hasPermission(perm, explicit = false) {
		if (perm instanceof String || typeof perm === "string") {
			perm = Permissions[perm];
		}
		if (!perm) {
			return false;
		}
		if (!explicit) {
			// implicit permissions allowed
			if (!!(this.permissions & Permissions.manageRoles)) {
				// manageRoles allowed, they have all permissions
				return true;
			}
		}
		return !!(this.permissions & perm);
	}
}

module.exports = ChannelPermissions;