/* -------------------------------------------- */
/*  Hotbar Macros                               */
/* -------------------------------------------- */

/**
 * Create a Macro from an Item drop.
 * Get an existing item macro if one exists, otherwise create a new one.
 * @param {Object} data     The dropped data
 * @param {number} slot     The hotbar slot to use
 * @returns {Promise}
 */
export async function create5eMacro(data, slot) {
    if (data.type !== "Item") return;
    if (!("data" in data)) return ui.notifications.warn("You can only create macro buttons for owned Items");
    const item = data.data;

    // Create the macro command
    const command = `game.sw5e.rollItemMacro("${item.name}");`;
    let macro = game.macros.entities.find((m) => m.name === item.name && m.command === command);
    if (!macro) {
        macro = await Macro.create({
            name: item.name,
            type: "script",
            img: item.img,
            command: command,
            flags: {"sw5e.itemMacro": true}
        });
    }
    game.user.assignHotbarMacro(macro, slot);
    return false;
}

/* -------------------------------------------- */

/**
 * Create a Macro from an Item drop.
 * Get an existing item macro if one exists, otherwise create a new one.
 * @param {string} itemName
 * @return {Promise}
 */
export function rollItemMacro(itemName) {
    const speaker = ChatMessage.getSpeaker();
    let actor;
    if (speaker.token) actor = game.actors.tokens[speaker.token];
    if (!actor) actor = game.actors.get(speaker.actor);

    // Get matching items
    const items = actor ? actor.items.filter((i) => i.name === itemName) : [];
    if (items.length > 1) {
        ui.notifications.warn(
            `Your controlled Actor ${actor.name} has more than one Item with name ${itemName}. The first matched item will be chosen.`
        );
    } else if (items.length === 0) {
        return ui.notifications.warn(`Your controlled Actor does not have an item named ${itemName}`);
    }
    const item = items[0];

    // Trigger the item roll
    return item.roll();
}