import { Controller } from "@hotwired/stimulus";

export default class extends Controller {
  static targets = [
    "existing_root",
    "input_select",
    "input_text",
    "output_text",
  ];

  static values = {
    addDatePrefix: { type: Boolean, default: false }
  }

  connect() {
    console.debug("[Panda CMS] Slug handler connected...");
    // Generate path on initial load if title exists
    if (this.input_textTarget.value) {
      this.generatePath();
    }
  }

  generatePath() {
    const title = this.input_textTarget.value;
    if (!title) return;

    // Convert title to slug format
    const slug = title
      .toLowerCase()
      .replace(/[^a-z0-9]+/g, "-")
      .replace(/^-+|-+$/g, "");

    // Only add year/month prefix for posts
    if (this.addDatePrefixValue) {
      // Get current date for year/month
      const now = new Date();
      const year = now.getFullYear();
      const month = String(now.getMonth() + 1).padStart(2, "0");

      // Add leading slash and use date format
      this.output_textTarget.value = `/${year}/${month}/${slug}`;
    } else {
      // Add leading slash for regular pages
      this.output_textTarget.value = `/${slug}`;
    }
  }

  setPrePath() {
    try {
      const match = this.input_selectTarget.options[this.input_selectTarget.selectedIndex].text.match(/.*\((.*)\)$/);
      if (match) {
        this.parent_slugs = match[1];
        const prePath = (this.existing_rootTarget.value + this.parent_slugs).replace(/\/$/, "");
        // Ensure we don't double up slashes
        const currentPath = this.output_textTarget.value.replace(/^\//, "");
        this.output_textTarget.value = `${prePath}/${currentPath}`;
      }
    } catch (e) {
      console.error("[Panda CMS] Error setting pre-path:", e);
    }
  }

  createSlug(input) {
    return input
      .toLowerCase()
      .replace(/[^a-z0-9]+/g, "-")
      .replace(/^-+|-+$/g, "");
  }

  trimStartEnd(str, ch) {
    let start = 0,
      end = str.length;
    while (start < end && str[start] === ch) ++start;
    while (end > start && str[end - 1] === ch) --end;
    return start > 0 || end < str.length ? str.substring(start, end) : str;
  }
}