import $ from 'cafy';
import { ID } from '@/misc/cafy-id';
import define from '../../define';
import { ApiError } from '../../error';
import { getUser } from '../../common/getters';
import { makePaginationQuery } from '../../common/make-pagination-query';
import { generateVisibilityQuery } from '../../common/generate-visibility-query';
import { Notes } from '@/models/index';
import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
import { Brackets } from 'typeorm';
import { generateBlockedUserQuery } from '../../common/generate-block-query';
import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query';

export const meta = {
	tags: ['users', 'notes'],

	params: {
		userId: {
			validator: $.type(ID),
		},

		includeReplies: {
			validator: $.optional.bool,
			default: true,
		},

		limit: {
			validator: $.optional.num.range(1, 100),
			default: 10,
		},

		sinceId: {
			validator: $.optional.type(ID),
		},

		untilId: {
			validator: $.optional.type(ID),
		},

		sinceDate: {
			validator: $.optional.num,
		},

		untilDate: {
			validator: $.optional.num,
		},

		includeMyRenotes: {
			validator: $.optional.bool,
			default: true,
		},

		withFiles: {
			validator: $.optional.bool,
			default: false,
		},

		fileType: {
			validator: $.optional.arr($.str),
		},

		excludeNsfw: {
			validator: $.optional.bool,
			default: false,
		},
	},

	res: {
		type: 'array' as const,
		optional: false as const, nullable: false as const,
		items: {
			type: 'object' as const,
			optional: false as const, nullable: false as const,
			ref: 'Note',
		},
	},

	errors: {
		noSuchUser: {
			message: 'No such user.',
			code: 'NO_SUCH_USER',
			id: '27e494ba-2ac2-48e8-893b-10d4d8c2387b',
		},
	},
};

export default define(meta, async (ps, me) => {
	// Lookup user
	const user = await getUser(ps.userId).catch(e => {
		if (e.id === '15348ddd-432d-49c2-8a5a-8069753becff') throw new ApiError(meta.errors.noSuchUser);
		throw e;
	});

	//#region Construct query
	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
		.andWhere('note.userId = :userId', { userId: user.id })
		.innerJoinAndSelect('note.user', 'user')
		.leftJoinAndSelect('note.reply', 'reply')
		.leftJoinAndSelect('note.renote', 'renote')
		.leftJoinAndSelect('reply.user', 'replyUser')
		.leftJoinAndSelect('renote.user', 'renoteUser');

	generateVisibilityQuery(query, me);
	if (me) generateMutedUserQuery(query, me, user);
	if (me) generateBlockedUserQuery(query, me);
	if (me) generateMutedInstanceQuery(query, me);

	if (ps.withFiles) {
		query.andWhere('note.fileIds != \'{}\'');
	}

	if (ps.fileType != null) {
		query.andWhere('note.fileIds != \'{}\'');
		query.andWhere(new Brackets(qb => {
			for (const type of ps.fileType!) {
				const i = ps.fileType!.indexOf(type);
				qb.orWhere(`:type${i} = ANY(note.attachedFileTypes)`, { [`type${i}`]: type });
			}
		}));

		if (ps.excludeNsfw) {
			query.andWhere('note.cw IS NULL');
			query.andWhere('0 = (SELECT COUNT(*) FROM drive_file df WHERE df.id = ANY(note."fileIds") AND df."isSensitive" = TRUE)');
		}
	}

	if (!ps.includeReplies) {
		query.andWhere('note.replyId IS NULL');
	}

	if (ps.includeMyRenotes === false) {
		query.andWhere(new Brackets(qb => {
			qb.orWhere('note.userId != :userId', { userId: user.id });
			qb.orWhere('note.renoteId IS NULL');
			qb.orWhere('note.text IS NOT NULL');
			qb.orWhere('note.fileIds != \'{}\'');
			qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
		}));
	}

	//#endregion

	const timeline = await query.take(ps.limit!).getMany();

	return await Notes.packMany(timeline, me);
});