const { Setting } = require('../../../../interfaces/');

class MessageLogsSetting extends Setting {

    constructor(client) {

        super(client, {
            name: 'messageLog',
            module: 'logging',
            clientPermissions: ['MANAGE_WEBHOOKS'],
            aliases: [
                'chatLog',
                'chatLogs',
                'msgLogs',
                'messageLogs',
                'msgLog'
            ],
            tags: ['log', 'logs', 'logging'],
            usage: '<method|value> [value..]',
            resolve: 'GUILD',
            examples: [
                'msglog #channel',
                'msglog bypass <add|remove|list> <role>',
                'msglog ignore <add|remove|list> <role>',
                'msglog attachments <on|off>',
                'msglog off'
            ],
            default: {
                messageLog: {
                    channel: null,
                    ignore: [],
                    bypass: [],
                    attachments: false,
                    webhook: null
                }
            }
        });

    }

    async handle(message, params) {
        
        // eslint-disable-next-line init-declarations
        let index,
            langParams = {};
        // eslint-disable-next-line prefer-const
        let [method, ...args] = params;
        method = method.toLowerCase();

        const { guild } = message;
        const setting = guild._settings[this.index];

        if (['bypass', 'roles', 'role', 'ignoredrole', 'ignoredroles', 'ignorerole', 'ignoreroles'].includes(method)) {

            langParams = await this._processRoleBypass(args, setting, guild, 'S_MESSAGELOG_BYPASS_');
            if (langParams.error) return langParams;
            ({ index } = langParams);

            // if (!args.length) return {
            //     msg: message.format('MISSING_ARGS'),
            //     error: true
            // };
            // const response = await this.resolveMethod(args, { existing: setting.ignoredRoles, resolver: guild.resolveRoles.bind(guild) });

            // if (response) {
                
            //     if (response.method === 'add') {

            //         const roles = response.resolved;
            //         if (!roles.length) return { error: true, msg: message.format('ERR_ROLERESOLVE') };
            //         setting.ignoredRoles = [...setting.ignoredRoles, ...roles.filter((r) => !setting.ignoredRoles.includes(r.id)).map((r) => r.id)];

            //         action = 'GENERAL_ADDED';
            //         index = 'S_MESSAGELOG_ROLES';
            //         changes = roles.map((r) => `**${r.name}**`);
                    
            //     } else if (response.method === 'remove') {
                    
            //         const roles = response.resolved;
            //         if (!roles.length) return { error: true, msg: message.format('ERR_ROLERESOLVE') };
            //         const _roles = roles.map((r) => r.id);
            //         setting.ignoredRoles = setting.ignoredRoles.filter((r) => !_roles.includes(r));

            //         action = 'GENERAL_REMOVED';
            //         index = 'S_MESSAGELOG_ROLES';
            //         changes = roles.map((r) => `**${r.name}**`);

            //     } else if (response.method === 'list') {

            //         const roles = await guild.resolveRoles(setting.ignoredRoles);
            //         return {
            //             msg: message.format('S_MESSAGELOG_ROLES_LIST', { roles: roles.map((r) => r.name).join(', ') })
            //         };

            //     }

            // } else {
            //     return {
            //         msg: message.format('ERR_INVALID_METHOD', { method }),
            //         error: true
            //     };
            // }
            
        } else if (['ignore', 'channels', 'channel', 'ignoredchannels', 'ignoredchannel', 'ignorechannel', 'ignorechannels'].includes(method)) {

            langParams = await this._processChannelIgnore(args, setting, guild, 'S_MESSAGELOG_IGNORE_');
            if (langParams.error) return langParams;
            ({ index } = langParams);

            // if (!args.length) return {
            //     msg: message.format('MISSING_ARGS'),
            //     error: true
            // };
            // const response = await this.resolveMethod(args, { existing: setting.ignoredChannels, resolver: guild.resolveChannels.bind(guild) });

            // if (response) {

            //     if (response.method === 'add') {

            //         const channels = response.resolved; //await guild.resolveChannels(response.rest);
            //         if (!channels.length) return { error: true, msg: message.format('ERR_CHRESOLVE') };
            //         setting.ignoredChannels = [...setting.ignoredChannels, ...channels.filter((c) => !setting.ignoredChannels.includes(c.id)).map((c) => c.id)];

            //         action = 'GENERAL_ADDED';
            //         index = 'S_MESSAGELOG_CHANNELS';
            //         langParams.changed = channels.map((c) => `<#${c.id}>`);

            //     } else if (response.method === 'remove') {

            //         const channels = response.resolved; //await guild.resolveChannels(response.rest);
            //         if (!channels.length) return { error: true, msg: message.format('ERR_CHRESOLVE') };
            //         const _channels = channels.map((c) => c.id);
            //         setting.ignoredChannels = setting.ignoredChannels.filter((c) => !_channels.includes(c));

            //         action = 'GENERAL_REMOVED';
            //         index = 'S_MESSAGELOG_CHANNELS';
            //         langParams.changed = channels.map((c) => `<#${c.id}>`);

            //     } else if (response.method === 'list') {
            //         return {
            //             msg: message.format('S_MESSAGELOG_LIST')
            //         };
            //     }
                
            // } else {
            //     const channels = await guild.resolveChannels(setting.ignoredChannels);
            //     return {
            //         msg: message.format('S_MESSAGELOG_ROLES_LIST', { roles: channels.map((r) => r.name).join(', ') })
            //     };
            // }

            
        } else if (['attachments', 'images', 'attachment', 'image'].includes(method)) {

            if (guild.premium < 2 && !message.author.developer) return {
                msg: message.format('PREMIUM_REQUIRED', { required: 2, tier: guild.premium }),
                error: true
            };
            if (!args.length) return {
                msg: message.format('MISSING_ARGS'),
                error: true
            };

            const [bool] = args;
            const result = this.client.resolver.resolveBoolean(bool);
            const channel = await guild.resolveChannel(setting.channel);

            if (result) {

                if (channel && !channel.nsfw) return {
                    error: true,
                    msg: message.format('S_MESSAGELOG_NSFW')
                };
                
                setting.attachments = true;
                index = 'S_MESSAGELOG_ATTACHMENTS';
                langParams.changed = message.format('ON_OFF_TOGGLE', { toggle: true }, true);

            } else {

                setting.attachments = false;
                index = 'S_MESSAGELOG_ATTACHMENTS';
                langParams.changed = message.format('ON_OFF_TOGGLE', { toggle: false }, true);

            }

        } else if (this.client.resolver.resolveBoolean(method) === false) {

            index = 'S_MESSAGELOG_TOGGLE';
            langParams.changed = message.format('ON_OFF_TOGGLE', { toggle: false }, true);

            if (setting.webhook) { //Clean up - remove webhook since logs were disabled
                const channel = await guild.resolveChannel(setting.channel);
                if (channel) { //Channel might have been deleted
                    //const hooks = await channel.fetchWebhooks();
                    const hook = await guild.getWebhook(this.index); //hooks.filter((hook) => hook.id === setting.webhook.id).first();
                    
                    if (hook && !channel.permissionsFor(guild.me).has('MANAGE_WEBHOOKS')) return { error: true, msg: message.format('S_MESSAGELOG_TOGGLE_PERM') }; //index = 'S_MESSAGELOG_TOGGLE_PERM'; //missing perms
                    else if (hook) {
                        //await hook.delete('Removing message logging hook, as message logs were disabled.').catch(this.client.logger.error);
                        //guild.webhooks.delete(setting.webhook);
                        await guild.updateWebhook(this.index);
                    }
                }
            }

            setting.channel = null;

        } else { //Set the channel & configure webhook

            const channel = await guild.resolveChannel(method);
            if (!channel) return {
                msg: message.format('ERR_CHANNEL_RESOLVE', { resolveable: method }),
                error: true
            };
            if(channel.type !== 'text') return {
                error: true,
                msg: message.format('ERR_CHANNEL_TYPE', { type: channel.type })
            };
            
            const perms = channel.permissionsFor(guild.me);
            const missingPerms = perms.missing(['SEND_MESSAGES', 'VIEW_CHANNEL', 'MANAGE_WEBHOOKS', 'EMBED_LINKS']);
            
            if(missingPerms.length) return {
                error: true,
                msg: message.format('ERR_CHANNEL_PERMS', { channel: channel.name, perms: missingPerms.join(', ') })
            };

            //Handle old webhook if one exists
            const oldChannel = await guild.resolveChannel(setting.channel);
            if (oldChannel && oldChannel.id !== channel.id) {
                //const hooks = await oldChannel.fetchWebhooks();
                const hook = await guild.getWebhook(this.index); //hooks.filter((hook) => hook.id === setting.webhook.id).first();
                if (hook) {
                    //guild.updateWebhook(this.index);
                    //hook.delete('Removing old webhook').catch(this.client.logger.error);
                    await hook.edit({ channel });
                } 
            } else if (!oldChannel) {
                //Create new webhook
                const hook = await channel.createWebhook('Galactic Bot message logs', { avatar: './util/GBotTest.png', reason: 'Message logs webhook.' });
                await guild.updateWebhook(this.index, hook);
                
            }
            

            index = 'S_MESSAGELOG_CHANNEL';
            langParams.changed = channel.name;
            setting.channel = channel.id;

        }

        await message.guild._updateSettings({ [this.index]: setting });
        return {
            msg: message.format(index, langParams)
        };

    }

    async fields(guild) {
        const setting = guild._settings[this.index];
        const roles = setting?.bypass ? await Promise.all(setting.bypass.map(async (role) => guild.resolveRole(role))) : undefined;
        const channels = setting?.ignore ? await Promise.all(setting.ignore.map(async (c) => guild.resolveChannel(c))) : undefined;
        return [
            {
                name: '》 Status',
                value: guild.format('SETTING_STATUS', { bool: Boolean(setting?.channel) }, true),
                inline: true  
            },
            {
                name: '》 Channel',
                value: await guild.resolveChannel(setting?.channel) || '`N/A`',
                inline: true
            },
            {
                name: '》 Attachment Logs',
                value: guild.format('SETTING_STATUS', { bool: Boolean(setting?.attachments) }, true),
                inline: true
            },
            {
                name: '》 Ignored Roles',
                value: roles?.map((r) => `<@&${r.id}>`).join(' ') || '`N/A`'
            },
            {
                name: '》 Ignored Channels',
                value: channels?.map((c) => `<#${c.id}>`).join(' ') || '`N/A`'
            }
        ];
    }

    async _handleReset(message) {
        const result = await super._handleReset(message);
        await message.guild.updateWebhook(this.index);
        return result;
    }

}

module.exports = MessageLogsSetting;