Hooks.on("renderItemSheet", (app, html, data) => {
  convertItemSheetPricesToCredits(html);
});

Hooks.on("updateItem", (item, data) => {
  const sheets = item.apps;
  sheets.forEach((sheet) => {
    if (sheet.element) {
      convertItemSheetPricesToCredits(sheet.element);
    }
  });
});

// MutationObserver to catch item sheet updates
const itemSheetObserver = new MutationObserver((mutations) => {
  mutations.forEach((mutation) => {
    if (mutation.type === "attributes" && mutation.attributeName === "value") {
      const $element = $(mutation.target);

      // Check if this is a price input field
      if (
        $element.attr("data-property") === "system.price.value" ||
        $element.attr("id")?.includes("price")
      ) {
        convertPriceInput($element);
      }
    }
  });
});

itemSheetObserver.observe(document.body, {
  subtree: true,
  attributes: true,
  attributeFilter: ["value"],
});

function convertItemSheetPricesToCredits(html) {
  console.log("Converting item sheet prices to credits");

  // Find all price input fields
  const priceInputs = html.find('input[data-property="system.price.value"]');

  priceInputs.each(function () {
    convertPriceInput($(this));
  });

  // Also check for any input with "price" in the id
  const priceInputsById = html.find('input[id*="price"]');
  priceInputsById.each(function () {
    const $input = $(this);

    // Make sure it's actually a price field
    if (
      $input.attr("data-property")?.includes("price") ||
      $input.attr("id")?.includes("price")
    ) {
      convertPriceInput($input);
    }
  });
}

function convertPriceInput($input) {
  let value = $input.val();
  const originalValue = value;

  if (!value) return;

  // Convert pp to cr (1 pp = 100 cr)
  value = value.replace(/(\d+(?:\.\d+)?)\s*pp/gi, (match, amount) => {
    const creditAmount = parseFloat(amount) * 100;
    return `${creditAmount} cr`;
  });

  // Convert gp to cr (1 gp = 10 cr)
  value = value.replace(/(\d+(?:\.\d+)?)\s*gp/gi, (match, amount) => {
    const creditAmount = parseFloat(amount) * 10;
    return `${creditAmount} cr`;
  });

  // Convert cp to cr (1 cp = 0.1 cr)
  value = value.replace(/(\d+(?:\.\d+)?)\s*cp/gi, (match, amount) => {
    const creditAmount = parseFloat(amount) / 10;
    return `${creditAmount} cr`;
  });

  // Replace sp with cr (no conversion needed, 1 sp = 1 cr)
  value = value.replace(/(\d+(?:\.\d+)?)\s*sp/gi, "$1 cr");

  // Only update if value changed
  if (value !== originalValue) {
    console.log("Converting item price:", originalValue, "to:", value);
    $input.val(value);
    // Trigger change event to update the sheet
    $input.trigger("change");
  }
}