<?php
    /**
     * Artifact entity file.
     *
     * Creates the entity and makes it available.
     *
     * @category Entity
     */

    /**
     * Require dependent entities if not present.
     */
    require_once(PATH::ENTITY . "Entity.php");

    /**
     * Owned artifact.
     *
     * Represents an object from the table 'artifac'.
     *
     * @category Entity
     */
    class Artifact extends Entity{

        /**
         * @var int Owner identifier.
         */
        public $uid;

        /**
         * @var int Artifact identifier.
         */
        public $id;

        /**
         * @var int ID of the monster the rune is assigned to.
         */
        public $assigned_to;

        /**
         * @var int Artifact type (null if element artifact).
         *
         * @see ARTIFACT_TYPE
         */
        public $type;

        /**
         * @var int Artifact element (null if type artifact).
         *
         * @see ELEMENT_ID
         */
        public $element;

        /**
         * @var int Artifact archetype (null if elemental artifact).
         *
         * @see ARCHETYPE_ID
         */
        public $archetype;

        /**
         * @var int Level of the rune.
         */
        public $level;

        /**
         * @var int Artifact quality.
         *
         * @see QUALITY
         */
        public $quality;

        /**
         * @var int Artifact original quality.
         *
         * @see QUALITY
         */
        public $original_quality;

        /**
         * @var string Artifact quality name (uppercase).
         */
        public $quality_name;

        /**
         * @var string Artifact original quality name (uppercase).
         */
        public $original_quality_name;

        /**
         * @var int Price of the artifact.
         */
        public $value;

        /**
         * @var float Current efficiency of the artifact.
         */
        public $efficiency;

        /**
         * @var float Maximum potential efficiency of the artifact.
         */
        public $max_efficiency;

        /**
         * @var int Main stat of the artifact.
         *
         * @see STAT_ID
         */
        public $main_stat;

        /**
         * @var string Main stat name (uppercase).
         */
        public $main_stat_name;

        /**
         * @var int Main stat value of the artifact.
         */
        public $main_stat_value;

        /**
         * @var string Extra stat value of the artifact.
         */
        public $innate_stat_value;

        /**
         * @var int Number of substats.
         */
        public $substats;

        /**
         * @var int Effect 1 of the artifact.
         */
        public $effect_1;

        /**
         * @var int Effect 1 value of the artifact.
         */
        public $effect_1_value;

        /**
         * @var string Effect 1 description.
         */
        public $effect_1_description;

        /**
         * @var int Effect 2 of the artifact.
         */
        public $effect_2;

        /**
         * @var int Effect 2 value of the artifact.
         */
        public $effect_2_value;

        /**
         * @var string Effect 2 description.
         */
        public $effect_2_description;

        /**
         * @var int Effect 3 of the artifact.
         */
        public $effect_3;

        /**
         * @var int Effect 3 value of the artifact.
         */
        public $effect_3_value;

        /**
         * @var string Effect 3 description.
         */
        public $effect_3_description;

        /**
         * @var int Effect 4 of the artifact.
         */
        public $effect_4;

        /**
         * @var int Effect 4 value of the artifact.
         */
        public $effect_4_value;

        /**
         * @var string Effect 4 description.
         */
        public $effect_4_description;

        /**
         * Constructor.
         *
         * Searches the database and retrieves the information about the
         * artifact, populating it and it's items.
         *
         * @param int $id Artifact id.
         * @global resource Database connection.
         */
        public function __construct($id){

            global $db;

            $s =
              "SELECT " .
              "  id, " .
              "  assigned_to, " .
              "  type, " .
              "  attribute, " .
              "  archetype, " .
              "  level, " .
              "  quality, " .
              "  original_quality, " .
              "  value, " .
              "  efficiency, " .
              "  max_efficiency, " .
              "  main_stat, " .
              "  main_stat_value, " .
              "  effect_1, " .
              "  effect_1_value, " .
              "  effect_1_enchant, " .
              "  effect_1_grind, " .
              "  effect_2, " .
              "  effect_2_value, " .
              "  effect_2_enchant, " .
              "  effect_2_grind, " .
              "  effect_3, " .
              "  effect_3_value, " .
              "  effect_3_enchant, " .
              "  effect_3_grind, " .
              "  effect_4, " .
              "  effect_4_value, " .
              "  effect_4_enchant, " .
              "  effect_4_grind " .
              "FROM artifact " .
              "WHERE id = '$id'; ";
            $q = $db->query($s);
            $r = $q->fetchArray(SQLITE3_ASSOC);
            if ($r){
                $this->id = $r["id"];
                $this->assigned_to = $r["assigned_to"];
                $this->type = $r["type"];
                $this->element = $r["attribute"];
                $this->archetype = $r["archetype"];
                $this->level = $r["level"];
                $this->quality = $r["quality"];
                $this->original_quality = $r["original_quality"];
                $this->value = $r["value"];
                $this->efficiency = $r["efficiency"];
                $this->max_efficiency = $r["max_efficiency"];
                $this->main_stat = $r["main_stat"];
                $this->main_stat_value = $r["main_stat_value"];
                $this->effect_1 = $r["effect_1"];
                $this->effect_1_value = $r["effect_1_value"];
                //$this->effect_1_enchant = $r["effect_1_enchant"];
                //$this->effect_1_grind = $r["effect_1_grind"];
                $this->effect_2 = $r["effect_2"];
                $this->effect_2_value = $r["effect_2_value"];
                //$this->effect_2_enchant = $r["effect_2_enchant"];
                //$this->effect_2_grind = $r["effect_2_grind"];
                $this->effect_3 = $r["effect_3"];
                $this->effect_3_value = $r["effect_3_value"];
                //$this->effect_3_enchant = $r["effect_3_enchant"];
                //$this->effect_3_grind = $r["effect_3_grind"];
                $this->effect_4 = $r["effect_4"];
                $this->effect_4_value = $r["effect_4_value"];
                //$this->effect_4_enchant = $r["effect_4_enchant"];
                //$this->effect_4_grind = $r["effect_4_grind"];
                $this->refresh_names();
            }
        }

        /**
         * Calculates name variables.
         */
        public function refresh_names(){
            $this->main_stat_name = $this->stat_name($this->main_stat);
            $this->effect_1_description = $this->effect_description($this->effect_1, $this->effect_1_value);
            $this->effect_2_description = $this->effect_description($this->effect_2, $this->effect_2_value);
            $this->effect_3_description = $this->effect_description($this->effect_3, $this->effect_3_value);
            $this->effect_4_description = $this->effect_description($this->effect_4, $this->effect_4_value);
            $this->quality_name = $this->get_quality_name($this->quality);
            $this->original_quality_name = $this->get_quality_name($this->original_quality);
        }

        /**
         * Gets a stat name from the mappings.
         *
         * @param int $stat Stat id.
         * @return string Stat name (Uppercase)
         */
        private function stat_name($stat){
            switch ($stat){
                case ARTIFACT_STAT_ID::HP:
                    return "HP";
                case ARTIFACT_STAT_ID::ATK:
                    return "ATK";
                case ARTIFACT_STAT_ID::DEF:
                    return "DEF";
                default:
                    return "";
            }
        }

        /**
         * Composes an effect description.
         *
         * @param int $effect Effect id.
         * @param int $value Effect value.
         * @return string Effect description, null if unavailable.
         * @global resource Database connection.
         */
        private function effect_description($effect, $value){

            global $db;

            $s =
              "SELECT name " .
              "FROM k_artifact_effect " .
              "WHERE id = '$effect'; ";
            $q = $db->query($s);
            $r = $q->fetchArray(SQLITE3_ASSOC);
            if ($r){
                return str_replace("{}", $value, $r["name"]);
            }
            else{
                return null;
            }
        }

        /**
         * Gets the quality name from the mappings.
         *
         * @param int $q Quality id.
         * @return string Quality (Uppercase)
         */
        private function get_quality_name($q){
            switch ($q){
                case QUALITY_ID::NORMAL:
                    return "NORMAL";
                case QUALITY_ID::MAGIC:
                    return "MAGIC";
                case QUALITY_ID::RARE:
                    return "RARE";
                case QUALITY_ID::HERO:
                    return "HERO";
                case QUALITY_ID::LEGEND:
                    return "LEGEND";
                default:
                    return "";
            }
        }

    }
?>