/** Only confirmed context becomes a criterion; titles never assign a sector. */
export function preparationSearch(
    query: string,
    sector: string,
    path: { id: string; location_type: string }[],
) {
    const params = new URLSearchParams();
    if (query.trim()) params.set('q', query.trim());
    if (/^sector:[1-9]\d*$/.test(sector))
        params.set('sector_id', sector.slice(7));
    for (const place of path)
        if (
            ['province', 'district', 'admin_post', 'locality'].includes(
                place.location_type,
            )
        )
            params.set(place.location_type + '_id', place.id);
    return params.toString();
}

/** Carry only deliberate preparation criteria, never catalogue relationships. */
export function createInvestmentHref(
    values: Record<string, unknown>,
    path: { id: string; location_type: string }[] = [],
) {
    const query = new URLSearchParams();
    for (const key of ['sector_id', 'project_title', 'currency']) {
        if (typeof values[key] === 'string' && values[key])
            query.set(key, values[key]);
    }
    if (typeof values.sector === 'string' && values.sector)
        query.set('sector', values.sector);
    for (const [from, to] of [
        ['min_amount', 'investment_budget_min'],
        ['max_amount', 'investment_budget_max'],
    ] as const) {
        if (typeof values[from] === 'string' && values[from] !== '')
            query.set(to, values[from]);
    }
    for (const place of path)
        if (
            ['province', 'district', 'admin_post', 'locality'].includes(
                place.location_type,
            )
        )
            query.set(place.location_type + '_id', place.id);
    return (
        '/investimentos/iniciar' + (query.size ? '?' + query.toString() : '')
    );
}