// ================================================================
// 04d_execute_culture.js — Execute Αγορά celebration commands
//
// Handles commands of type 'culture' from the poll response.
// Supported celebration_type values:
//   'party'   → Γιορτή πόλης   (costs wood/stone/iron)
//   'triumph' → Παρέλαση θριάμβου (costs battle points)
//
// Uses the same fire-and-forget ajaxPost pattern as all other
// execute modules in this codebase (04a, 04b, 04c).
// ================================================================

async function executeCultureCommand(cmd) {
    if (!cmd || !cmd.id || !cmd.payload) return;

    // town_id lives on the command root (like build/recruit), payload has celebration_type
    const town_id          = cmd.town_id  || cmd.payload.town_id;
    const celebration_type = cmd.payload.celebration_type;

    if (!celebration_type || !town_id) {
        reportResult(cmd.id, 'failed', 'Invalid culture payload: missing celebration_type or town_id');
        return;
    }

    if (!['party', 'triumph'].includes(celebration_type)) {
        reportResult(cmd.id, 'failed', `Unknown celebration_type: ${celebration_type}`);
        return;
    }

    const label = celebration_type === 'party' ? 'Γιορτή πόλης' : 'Παρέλαση θριάμβου';
    log(`[αγορά] Εκτέλεση ${label} για πόλη ${town_id}`);

    // Validate town exists in game memory
    const town = uw.ITowns?.towns?.[town_id];
    if (!town) {
        reportResult(cmd.id, 'failed', `Η πόλη ${town_id} δεν βρέθηκε στη μνήμη του παιχνιδιού.`);
        return;
    }

    // Double-check: is there already a celebration of this type running?
    try {
        const celebModels = uw.MM.getModels()?.Celebration;
        if (celebModels) {
            const nowTs = Math.floor(Date.now() / 1000);
            for (const cel of Object.values(celebModels)) {
                const a = cel.attributes;
                if (String(a.town_id) === String(town_id)
                    && a.celebration_type === celebration_type
                    && (a.finished_at ?? 0) > nowTs) {
                    reportResult(cmd.id, 'failed',
                        `${label} ήδη ενεργή στην πόλη ${town_id}.`);
                    return;
                }
            }
        }
    } catch (e) { /* model not loaded — proceed; server already validated */ }

    // Human-like reaction delay — same as all other executors
    const reactionMs = randInt(800, 2500);
    log(`[αγορά] Waiting ${reactionMs}ms (reaction time)...`);
    await sleep(reactionMs);

    if (paused) {
        reportResult(cmd.id, 'failed', 'Aborted due to pause/captcha');
        return;
    }

    // Fire-and-forget — exact same 3-arg pattern used everywhere in this codebase.
    // AutoFarm confirms: page=building_place, action=start_celebration,
    // params={ celebration_type, town_id }
    uw.gpAjax.ajaxPost('building_place', 'start_celebration', {
        town_id:          parseInt(town_id, 10),
        celebration_type: celebration_type
    });

    await sleep(500);
    log(`[αγορά] ✅ ${label} εστάλη (πόλη ${town_id})`);
    reportResult(cmd.id, 'done', `${label} εστάλη επιτυχώς.`);
}