// Define the blinded effect
const blindedEffect = {
    label: "Blinded",
    icon: "icons/svg/blind.svg", // Adjust this icon if needed
    origin: null,
    disabled: false,
    duration: { rounds: 9999, startRound: game.combat?.round, startTime: game.time.worldTime },
    flags: {
        custom: { blindedHookId: null }
    },
    changes: [
        { key: 'system.skills.ref.brawling.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.ref.melee.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.ref.smallblades.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.ref.staffspear.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.ref.swordsmanship.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.dex.archery.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.dex.crossbow.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.will.spellcast.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.will.resistmagic.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.ref.dodge.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -3 },
        { key: 'system.skills.int.awareness.value', mode: CONST.ACTIVE_EFFECT_MODES.ADD, value: -5 }
    ]
};

// Function to remove the blinded effect
async function removeBlindedEffect(actor, effectId) {
    console.log(`Removing ongoing effect: ${blindedEffect.label}`);

    await actor.deleteEmbeddedDocuments("ActiveEffect", [effectId]);

    // Inform the user
    ChatMessage.create({
        content: `${actor.name} is no longer blinded.`,
        speaker: ChatMessage.getSpeaker({ actor: actor })
    });
}

// Toggle blinded effect
async function toggleBlindedEffect() {
    const token = canvas.tokens.controlled[0];
    if (!token) {
        ui.notifications.warn("Please select a token first.");
        return;
    }

    const actor = token.actor;

    // Check if the blinded effect is already applied
    let existingEffect = actor.effects.find(e => e.label === blindedEffect.label);

    if (existingEffect) {
        await removeBlindedEffect(actor, existingEffect.id);

        // Remove the combat hook
        const hookId = existingEffect.flags.custom?.blindedHookId;
        if (hookId) {
            Hooks.off("updateCombat", hookId);
            console.log(`Removed combat hook with ID: ${hookId}`);
        }
    } else {
        console.log(`Applying ongoing effect: ${blindedEffect.label}`);
        blindedEffect.origin = actor.uuid;  // Set the origin to the actor's UUID

        // Create the effect on the actor
        const createdEffect = await actor.createEmbeddedDocuments("ActiveEffect", [blindedEffect]);
        const effectId = createdEffect[0].id;

        // Set up a hook to handle reminders during the blinded effect
        const hookId = Hooks.on("updateCombat", (combat, update, options, userId) => {
            const combatant = combat.combatants.find(c => c.tokenId === token.id);

            // If it's the start of the token's turn
            if (combatant && combat.turns[combat.turn].tokenId === token.id) {
                console.log(`${token.name} is still blinded.`);
                // This can be used to add narrative or roleplaying cues about the blinded state.
            }
        });

        console.log(`Created combat hook with ID: ${hookId}`);

        // Store the hook ID in the effect so we can remove it later
        try {
            await actor.updateEmbeddedDocuments("ActiveEffect", [{
                _id: effectId,
                "flags.custom.blindedHookId": hookId
            }]);
        } catch (error) {
            console.error("Failed to update flag 'custom' with hookId.", error);
        }

        // Notify about the applied effect
        ChatMessage.create({
            content: `${actor.name} is blinded and suffers penalties to several skills.`,
            speaker: ChatMessage.getSpeaker({ actor: actor })
        });
    }
}

// Run the toggle function
toggleBlindedEffect();