export default class HamalronUtils {
  static registerSettings() {
  }

  static async loadCompendiumData(compendium) {
    const pack = game.packs.get(compendium)
    return await pack?.getDocuments() ?? []
  }

  static async loadCompendium(compendium, filter = item => true) {
    let compendiumData = await HamalronUtils.loadCompendiumData(compendium)
    return compendiumData.filter(filter)
  }

  static async findTarotItem(cardData) {
    if (!cardData) return null
    let item = game.items.get(cardData.id)
    if (item) return item
    item = game.items.find(i =>
      i.type === "tarot" &&
      i.name === cardData.name &&
      i.system.symbole === cardData.symbole &&
      String(i.system.valeur) === String(cardData.valeur)
    )
    if (item) return item
    for (const pack of game.packs) {
      if (pack.documentName !== "Item") continue
      const index = pack.index.find(e =>
        e.type === "tarot" &&
        e.name === cardData.name
      )
      if (index) {
        item = await pack.getDocument(index._id)
        if (item) return item
      }
    }
    return null
  }

  static registerHandlebarsHelpers() {

    Handlebars.registerHelper('isNull', function (val) {
      return val == null;
    });

    Handlebars.registerHelper('exists', function (val) {
      return val != null && val !== undefined;
    });

    Handlebars.registerHelper('isEmpty', function (list) {
      if (list) return list.length === 0;
      else return false;
    });

    Handlebars.registerHelper('notEmpty', function (list) {
      return list.length > 0;
    });

    Handlebars.registerHelper('isNegativeOrNull', function (val) {
      return val <= 0;
    });

    Handlebars.registerHelper('isNegative', function (val) {
      return val < 0;
    });

    Handlebars.registerHelper('isPositive', function (val) {
      return val > 0;
    });

    Handlebars.registerHelper('equals', function (val1, val2) {
      return val1 === val2;
    });

    Handlebars.registerHelper('neq', function (val1, val2) {
      return val1 !== val2;
    });

    Handlebars.registerHelper('gt', function (val1, val2) {
      return val1 > val2;
    })

    Handlebars.registerHelper('lt', function (val1, val2) {
      return val1 < val2;
    })

    Handlebars.registerHelper('gte', function (val1, val2) {
      return val1 >= val2;
    })

    Handlebars.registerHelper('lte', function (val1, val2) {
      return val1 <= val2;
    })
    Handlebars.registerHelper('and', function (val1, val2) {
      return val1 && val2;
    })
    Handlebars.registerHelper('or', function (val1, val2) {
      return val1 || val2;
    })

    Handlebars.registerHelper('or3', function (val1, val2, val3) {
      return val1 || val2 || val3;
    })

    Handlebars.registerHelper('for', function (from, to, incr, block) {
      let accum = '';
      for (let i = from; i < to; i += incr)
        accum += block.fn(i);
      return accum;
    })

    Handlebars.registerHelper('not', function (cond) {
      return !cond;
    })
    Handlebars.registerHelper('count', function (list) {
      return list.length;
    })
    Handlebars.registerHelper('countKeys', function (obj) {
      return Object.keys(obj).length;
    })

    Handlebars.registerHelper('isEnabled', function (configKey) {
      return game.settings.get("bol", configKey);
    })
    Handlebars.registerHelper('split', function (str, separator, keep) {
      return str.split(separator)[keep];
    })

    // If you need to add Handlebars helpers, here are a few useful examples:
    Handlebars.registerHelper('concat', function () {
      let outStr = '';
      for (let arg in arguments) {
        if (typeof arguments[arg] != 'object') {
          outStr += arguments[arg];
        }
      }
      return outStr;
    })

    Handlebars.registerHelper('add', function (a, b) {
      return parseInt(a) + parseInt(b);
    })

    Handlebars.registerHelper('tarotValue', function (valeur) {
      // Pour les valeurs numériques simples, retourner directement
      const numValue = Number.parseInt(valeur);
      if (!Number.isNaN(numValue)) return numValue;
      // Pour les figures et atouts, récupérer depuis SYSTEM
      const valeurData = SYSTEM.TAROT_VALEURS[valeur];
      return valeurData ? valeurData.value : valeur;
    });
    Handlebars.registerHelper('mul', function (a, b) {
      return parseInt(a) * parseInt(b);
    })
    Handlebars.registerHelper('sub', function (a, b) {
      return parseInt(a) - parseInt(b);
    })
    Handlebars.registerHelper('abbrev2', function (a) {
      return a.substring(0, 2);
    })
    Handlebars.registerHelper('abbrev3', function (a) {
      return a.substring(0, 3);
    })
    Handlebars.registerHelper('valueAtIndex', function (arr, idx) {
      return arr[idx];
    })
    Handlebars.registerHelper('includesKey', function (items, type, key) {
      return items.filter(i => i.type === type).map(i => i.system.key).includes(key);
    })
    Handlebars.registerHelper('includes', function (array, val) {
      return array.includes(val);
    })
    Handlebars.registerHelper('eval', function (expr) {
      return eval(expr);
    })
    Handlebars.registerHelper('isOwnerOrGM', function (actor) {
      console.log("Testing actor", actor.isOwner, game.userId)
      return actor.isOwner || game.isGM;
    })
    Handlebars.registerHelper('upperFirst', function (text) {
      if (typeof text !== 'string') return text
      return text.charAt(0).toUpperCase() + text.slice(1)
    })
    Handlebars.registerHelper('upperFirstOnly', function (text) {
      if (typeof text !== 'string') return text
      return text.charAt(0).toUpperCase()
    })
    Handlebars.registerHelper('isCreature', function (key) {
      return key === "creature" || key === "daemon";
    })
    Handlebars.registerHelper('getRomanLevel', function (level) {
      if (level === "highpowers") return "High";
      if (level === "mastery") return "Mastery";
      level = parseInt(level);
      if (level === 0) return "0";
      if (level === 1) return "I";
      if (level === 2) return "II";
      if (level === 3) return "III";
      if (level === 4) return "IV";
      if (level === 5) return "V";
      if (level === 6) return "VI";
      if (level === 7) return "VII";
      if (level === 8) return "VIII";
      if (level === 9) return "IX";
      return level;
    })
    // Handle v12 removal of this helper
    Handlebars.registerHelper('select', function (selected, options) {
      const escapedValue = RegExp.escape(Handlebars.escapeExpression(selected));
      const rgx = new RegExp(' value=[\"\']' + escapedValue + '[\"\']');
      const html = options.fn(this);
      return html.replace(rgx, "$& selected");
    });

  }
}