import { BushCommand, BushMessage, BushSlashMessage, ModLog } from '@lib';
import { ArgumentOptions, Flag } from 'discord-akairo';

export default class EvidenceCommand extends BushCommand {
	public constructor() {
		super('evidence', {
			aliases: ['evidence'],
			category: 'moderation',
			description: {
				content: 'Add evidence to a modlog case.',
				usage: 'evidence <case_id> <evidence>',
				examples: ['evidence ']
			},
			slash: true,
			slashOptions: [
				{
					name: 'case_id',
					description: 'What case would you like to modify the evidence of?',
					type: 'STRING',
					required: true
				},
				{
					name: 'evidence',
					description: 'What would you like to modify the evidence to?',
					type: 'STRING',
					required: true
				}
			],
			channel: 'guild',
			clientPermissions: ['SEND_MESSAGES'],
			userPermissions: ['SEND_MESSAGES', 'MANAGE_MESSAGES']
		});
	}

	override *args(message: BushMessage): IterableIterator<ArgumentOptions | Flag> {
		const case_id = yield {
			id: 'case_id',
			type: 'string',
			prompt: {
				start: 'What case would you like to modify the evidence of?',
				retry: '{error} Pick a valid case to modify the evidence of.',
				optional: false
			}
		};

		const evidence = yield {
			id: 'evidence',
			type: 'string',
			match: 'restContent',
			prompt: {
				start: 'What would you like to modify the evidence to?',
				retry: '{error} Pick a valid argument.',
				optional: !!message.attachments.some((attachment) => !!attachment.contentType?.includes('image'))
			}
		};

		return { case_id, evidence };
	}

	public override async exec(
		message: BushMessage | BushSlashMessage,
		{ case_id: caseID, evidence }: { case_id: string; evidence?: string }
	): Promise<unknown> {
		const entry = await ModLog.findByPk(caseID);
		if (!entry || entry.pseudo) return message.util.send(`${util.emojis.error} Invalid modlog entry.`);
		if (entry.guild !== message.guild!.id)
			return message.util.reply(`${util.emojis.error} This modlog is from another server.`);

		if (evidence && (message as BushMessage).attachments?.size)
			return message.util.reply(`${util.emojis.error} Please either attach an image or a reason not both.`);

		const _evidence = evidence
			? evidence
			: !message.util.isSlash
			? (message as BushMessage).attachments.first()?.url
			: undefined;
		if (!_evidence) return message.util.reply(`${util.emojis.error} You must provide evidence for this modlog.`);

		const oldEntry = entry.evidence;

		entry.evidence = _evidence.trim();
		await entry.save();

		client.emit('bushUpdateModlog', message.member!, entry.id, 'evidence', oldEntry, entry.evidence);

		return message.util.reply(`${util.emojis.success} Successfully updated the evidence for case \`${caseID}\`.`);
	}
}