import type {
    BUN_SQLITE_WGUI_USERS,
    BunSQLiteTables,
} from "@/db/types/db";
import loginUser from "@/src/functions/backend/auth/login-user";
import type { ApiReqParams } from "@/src/types";
import BunSQLite from "@moduletrace/bun-sqlite";
import type {
    APIResponseObject,
    BunextAPIRouteHandler,
} from "@moduletrace/bunext/types";

export const handler: BunextAPIRouteHandler<APIResponseObject> = async ({
    body,
}) => {
    try {
        const { login } = body as ApiReqParams;

        if (!login?.email_or_username) {
            throw new Error(`Please enter your email or username`);
        }

        if (!login?.password) {
            throw new Error(`Please enter your password`);
        }

        const target_user = (
            await BunSQLite.select<
                BUN_SQLITE_WGUI_USERS,
                (typeof BunSQLiteTables)[number]
            >({
                table: "users",
                query: {
                    query: {
                        email: {
                            value: login.email_or_username,
                        },
                        username: {
                            value: login.email_or_username,
                        },
                    },
                    searchOperator: "OR",
                },
            })
        )?.singleRes;

        if (!target_user?.id || !target_user.password) {
            throw new Error(`Invalid email or password`);
        }

        let password_matches = false;

        try {
            password_matches = await Bun.password.verify(
                login.password,
                target_user.password,
            );
        } catch (error) {
            password_matches = false;
        }

        if (!password_matches) {
            throw new Error(`Invalid email or password`);
        }

        return await loginUser({
            user_id: target_user.id,
        });
    } catch (error: any) {
        return {
            success: false,
            msg: error.message,
        };
    }
};