import {
    RolePermission,
    Status as StatusSchema,
    zBoolean,
} from "@versia/client/schemas";
import { Timeline } from "@versia/kit/db";
import { Notes } from "@versia/kit/tables";
import { and, eq, gt, gte, inArray, isNull, lt, or, sql } from "drizzle-orm";
import { describeRoute } from "hono-openapi";
import { resolver, validator } from "hono-openapi/zod";
import { z } from "zod";
import { apiRoute, auth, handleZodError, withUserParam } from "@/api";
import { ApiError } from "~/classes/errors/api-error";

export default apiRoute((app) =>
    app.get(
        "/api/v1/accounts/:id/statuses",
        describeRoute({
            summary: "Get account’s statuses",
            description: "Statuses posted to the given account.",
            externalDocs: {
                url: "https://docs.joinmastodon.org/methods/accounts/#statuses",
            },
            tags: ["Accounts"],
            responses: {
                200: {
                    description: "Statuses posted to the given account.",
                    content: {
                        "application/json": {
                            schema: resolver(z.array(StatusSchema)),
                        },
                    },
                },
                404: ApiError.accountNotFound().schema,
                422: ApiError.validationFailed().schema,
            },
        }),
        withUserParam,
        auth({
            auth: false,
            permissions: [
                RolePermission.ViewNotes,
                RolePermission.ViewAccounts,
            ],
            scopes: ["read:statuses"],
        }),
        validator(
            "query",
            z.object({
                max_id: StatusSchema.shape.id.optional().openapi({
                    description:
                        "All results returned will be lesser than this ID. In effect, sets an upper bound on results.",
                    example: "8d35243d-b959-43e2-8bac-1a9d4eaea2aa",
                }),
                since_id: StatusSchema.shape.id.optional().openapi({
                    description:
                        "All results returned will be greater than this ID. In effect, sets a lower bound on results.",
                    example: undefined,
                }),
                min_id: StatusSchema.shape.id.optional().openapi({
                    description:
                        "Returns results immediately newer than this ID. In effect, sets a cursor at this ID and paginates forward.",
                    example: undefined,
                }),
                limit: z.coerce
                    .number()
                    .int()
                    .min(1)
                    .max(40)
                    .default(20)
                    .openapi({
                        description: "Maximum number of results to return.",
                    }),
                only_media: zBoolean.default(false).openapi({
                    description: "Filter out statuses without attachments.",
                }),
                exclude_replies: zBoolean.default(false).openapi({
                    description:
                        "Filter out statuses in reply to a different account.",
                }),
                exclude_reblogs: zBoolean.default(false).openapi({
                    description: "Filter out boosts from the response.",
                }),
                pinned: zBoolean.default(false).openapi({
                    description:
                        "Filter for pinned statuses only. Pinned statuses do not receive special priority in the order of the returned results.",
                }),
                tagged: z.string().optional().openapi({
                    description:
                        "Filter for statuses using a specific hashtag.",
                }),
            }),
            handleZodError,
        ),
        async (context) => {
            const { user } = context.get("auth");
            const otherUser = context.get("user");

            const {
                max_id,
                min_id,
                since_id,
                limit,
                exclude_reblogs,
                only_media,
                exclude_replies,
                pinned,
            } = context.req.valid("query");

            const { objects } = await Timeline.getNoteTimeline(
                and(
                    max_id ? lt(Notes.id, max_id) : undefined,
                    since_id ? gte(Notes.id, since_id) : undefined,
                    min_id ? gt(Notes.id, min_id) : undefined,
                    eq(Notes.authorId, otherUser.id),
                    only_media
                        ? sql`EXISTS (SELECT 1 FROM "Medias" WHERE "Medias"."noteId" = ${Notes.id})`
                        : undefined,
                    pinned
                        ? sql`EXISTS (SELECT 1 FROM "UserToPinnedNotes" WHERE "UserToPinnedNotes"."noteId" = ${Notes.id} AND "UserToPinnedNotes"."userId" = ${otherUser.id})`
                        : undefined,
                    // Visibility check
                    or(
                        sql`EXISTS (SELECT 1 FROM "NoteToMentions" WHERE "NoteToMentions"."noteId" = ${Notes.id} AND "NoteToMentions"."userId" = ${otherUser.id})`,
                        and(
                            sql`EXISTS (SELECT 1 FROM "Relationships" WHERE "Relationships"."subjectId" = ${Notes.authorId} AND "Relationships"."ownerId" = ${otherUser.id} AND "Relationships"."following" = true)`,
                            inArray(Notes.visibility, ["public", "private"]),
                        ),
                        inArray(Notes.visibility, ["public", "unlisted"]),
                    ),
                    exclude_reblogs ? isNull(Notes.reblogId) : undefined,
                    exclude_replies ? isNull(Notes.replyId) : undefined,
                ),
                limit,
                new URL(context.req.url),
                user?.id,
            );

            return context.json(
                await Promise.all(objects.map((note) => note.toApi(otherUser))),
                200,
            );
        },
    ),
);