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/*:
 * @plugindesc Skill Priority Plugin
 * @author Your Name
 *
 * @help This plugin allows you to set a priority for skills so that you can
 * create a skill that always goes first or a skill that always goes last.
 *
 * Plugin Command:
 *   SkillPriority skillId priority
 *     - skillId: The ID of the skill.
 *     - priority: The priority of the skill. Higher priority goes first.
 *
 * Note:
 *   - The default priority of skills is 0.
 *   - If two skills have the same priority, the order is determined by
 *     their speed.
 */

(function() {
    var _Game_Action_apply = Game_Action.prototype.apply;
    Game_Action.prototype.apply = function(target) {
        _Game_Action_apply.call(this, target);
        this.subject()._priority = this.item().priority || 0;
    };

    Game_Unit.prototype.agility = function() {
        return this.members().reduce(function(r, member) {
            return r + member.agi * (member._priority || 0);
        }, 0);
    };

    var _Game_Party_setupStartingMembers = Game_Party.prototype.setupStartingMembers;
    Game_Party.prototype.setupStartingMembers = function() {
        _Game_Party_setupStartingMembers.call(this);
        this.members().forEach(function(member) {
            member._priority = 0;
        });
    };

    var _Game_Troop_setup = Game_Troop.prototype.setup;
    Game_Troop.prototype.setup = function(troopId) {
        _Game_Troop_setup.call(this, troopId);
        this.members().forEach(function(member) {
            member._priority = 0;
        });
    };

    var _Game_Interpreter_pluginCommand = Game_Interpreter.prototype.pluginCommand;
    Game_Interpreter.prototype.pluginCommand = function(command, args) {
        _Game_Interpreter_pluginCommand.call(this, command, args);
        if (command === 'SkillPriority') {
            var skillId = Number(args[0]);
            var priority = Number(args[1]);
            $dataSkills[skillId].priority = priority;
        }
    };
})();