import useDatabase from '~/composables/useDatabase';
import { explorerContentTable } from '~/db/schema';
import { schema } from '~/schemas/file';
import { parsePath } from '~/shared/general.util';

export default defineEventHandler(async (e) => {
    const body = await readValidatedBody(e, schema.safeParse);
    if(!body.success)
    {
        setResponseStatus(e, 403);
        throw body.error;
    }

    const db = useDatabase();
    
    const buffer = Buffer.from(convertToStorableLinks(body.data.content, db.select({ path: explorerContentTable.path }).from(explorerContentTable).all().map(e => e.path)), 'utf-8');

    const content = db.insert(explorerContentTable).values({ ...body.data, content: buffer }).onConflictDoUpdate({ target: explorerContentTable.path, set: { ...body.data, content: buffer, timestamp: new Date() } });

    if(content !== undefined)
    {        
        return content;
    }
    
    setResponseStatus(e, 404);
    return;
});

export function convertToStorableLinks(content: string, path: string[]): string
{
    return content.replaceAll(/!?\[\[([^\[\]\|\#]+)?(#+[^\[\]\|\#]+)?(\|[^\[\]\|\#]+)?\]\]/g, (e: string, a1?: string, a2?: string , a3?: string) => {
        const parsed = parsePath(a1 ?? '%%%%----%%%%----%%%%');
        const replacer = path.find(e => e.endsWith(parsed));
        const value = `[[${a1 ? (replacer ?? '') : ''}${a2 ?? ''}${(!a3 && a1 && replacer !== parsed ? '|' + a1 : a3) ?? ''}]]`;
        return value;
    });
}