<?php
/**
 * php wix_csv_so_importer_v2.php /path/to/wix.csv
 */
require __DIR__ . '/vendor/autoload.php';

// ---------- CONFIG ----------
$WP_LOAD           = '/var/www/html/drjessicawacker.virtuopsdev.com/wp-load.php';
$TARGET_BLOG_ID    = 2;
$TEMPLATE_POST_ID  = 152;
$PUBLISH_STATUS    = 'publish';          // 'draft' or 'publish'
$TAG_SLUG          = 'publicresource';
$CSV_PATH          = $argv[1] ?? '';
$TEXT_STYLE        = 'font-family:Ubuntu, sans-serif; color:#123A49; font-size:16px; font-weight:700;';

// ---------- WP BOOT ----------
if (!file_exists($WP_LOAD)) { fwrite(STDERR,"Update \$WP_LOAD\n"); exit(1); }
require $WP_LOAD;
require_once ABSPATH.'wp-admin/includes/image.php';
require_once ABSPATH.'wp-admin/includes/file.php';
require_once ABSPATH.'wp-admin/includes/media.php';
if (is_multisite() && $TARGET_BLOG_ID) switch_to_blog($TARGET_BLOG_ID);

// Ensure tag exists
$tag = get_term_by('slug', $TAG_SLUG, 'post_tag');
if (!$tag) {
  $t = wp_insert_term('PublicResource', 'post_tag', ['slug'=>$TAG_SLUG]);
  if (is_wp_error($t)) { /* ignore */ }
}

// ---------- HELPERS ----------
function csv_rows($path) {
  if (!$path || !file_exists($path)) throw new RuntimeException("CSV not found: $path");
  $fh = fopen($path,'r'); if(!$fh) throw new RuntimeException("Open fail: $path");
  $headers = array_map('trim', fgetcsv($fh,0,','));
  $rows=[]; while(($r=fgetcsv($fh,0,','))!==false){ $row=[]; foreach($headers as $i=>$h){ $row[$h]=isset($r[$i])?trim($r[$i]):''; } $rows[]=$row; }
  fclose($fh); return $rows;
}

function resolve_wix_image_url($val){
  $val = trim($val);
  if ($val === '') return '';
  if (preg_match('~^https?://~i',$val)) return $val;
  // image://v1/<token>.jpg/...
  if (preg_match('~image://v1/([^/\s]+?\.(?:jpg|jpeg|png|webp|gif))~i',$val,$m)) {
    return 'https://static.wixstatic.com/media/'.$m[1];
  }
  // Sometimes CSV stores just the token …~mv2.jpg
  if (preg_match('~([0-9a-z_]+~mv2\.(?:jpg|jpeg|png|webp|gif))~i',$val,$m)) {
    return 'https://static.wixstatic.com/media/'.$m[1];
  }
  return '';
}

function sideload_image_to_post($url,$post_id){
  if (!$url) return 0;
  $tmp = download_url($url, 30);
  if (is_wp_error($tmp)) { error_log('download_url: '.$tmp->get_error_message()); return 0; }
  $name = basename(parse_url($url, PHP_URL_PATH) ?: ('image-'.time().'.jpg'));
  $file = ['name'=>$name,'tmp_name'=>$tmp];
  $att  = media_handle_sideload($file,$post_id);
  if (is_wp_error($att)) { error_log('media_handle_sideload: '.$att->get_error_message()); @unlink($tmp); return 0; }
  return (int)$att;
}

function load_template_panels($post_id){
  $pan = get_post_meta($post_id,'panels_data',true);
  $pan = is_array($pan) ? $pan : @maybe_unserialize($pan);
  return is_array($pan) ? $pan : null;
}

function list_widgets($panels){
  $out=[];
  foreach(($panels['widgets']??[]) as $i=>$w){
    $out[]=[
      'i'=>$i,
      'class'=>$w['panels_info']['class'] ?? '',
      'id'=>$w['panels_info']['id'] ?? '',
      'title'=> $w['title'] ?? '',
    ];
  }
  return $out;
}

function find_widget_by_title(&$panels,$title){
  if (!$title) return -1;
  $needle = strtolower($title);
  foreach(($panels['widgets']??[]) as $i=>$w){
    $t = strtolower($w['title'] ?? '');
    if ($t === $needle) return $i;
  }
  return -1;
}

/* ---------- STRICT TYPE CHECKS ---------- */
function is_button_widget($w){
  $cls = strtolower($w['panels_info']['class'] ?? '');
  return strpos($cls, 'button') !== false || strpos($cls, 'siteorigin_widget_button_widget') !== false;
}
function is_image_widget($w){
  $cls = strtolower($w['panels_info']['class'] ?? '');
  return strpos($cls, 'image') !== false || strpos($cls, 'siteorigin_widget_image_widget') !== false;
}
function get_text_fields_present($w){
  // Return which content-ish keys exist on this widget
  $keys = ['content','text','editor','html','body','value','texteditor'];
  $present = [];
  foreach ($keys as $k) if (array_key_exists($k,$w)) $present[] = $k;
  return $present;
}
function is_editor_like_widget($w){
  $cls = strtolower($w['panels_info']['class'] ?? '');
  if ($cls === '') return false;
  if (is_button_widget($w) || is_image_widget($w)) return false; // never treat button/image as editor

  // If it exposes a content-like field, and it's not a button/image, we accept it
  $present = get_text_fields_present($w);
  if (!empty($present)) return true;

  // Otherwise check class name hints (SO Editor / WP Text / Custom HTML / Orion text)
  if (strpos($cls, 'sow-editor') !== false) return true;
  if (strpos($cls, 'siteorigin_widget_editor_widget') !== false) return true;
  if (strpos($cls, 'wp_widget_text') !== false) return true;
  if (strpos($cls, 'wp_widget_custom_html') !== false) return true;
  if (strpos($cls, 'orion') !== false) return true;

  return false;
}

/** Find widget by Title, but only if it’s editor-like (for text1/text2) */
function find_editor_widget_by_title(&$panels, $title){
  if (!$title) return -1;
  $needle = strtolower($title);
  foreach (($panels['widgets'] ?? []) as $i => $w) {
    $t = strtolower($w['title'] ?? '');
    if ($t === $needle && is_editor_like_widget($w)) return $i;
  }
  return -1;
}

/** Update text/editor widget HTML (write to any content-ish keys present) */
function set_editor_html(&$widget, $html){
  $present = get_text_fields_present($widget);
  $touched = false;
  foreach ($present as $k) {
    // Avoid touching 'text' if this somehow is a button (extra safety)
    if ($k === 'text' && is_button_widget($widget)) continue;
    $widget[$k] = $html;
    $touched = true;
  }
  if (!$touched) {
    // Fallback: write to 'content'
    $widget['content'] = $html;
  }

  // Normalize flags if present
  if (array_key_exists('autop',  $widget)) $widget['autop']  = true;
  if (array_key_exists('filter', $widget)) $widget['filter'] = false;

  return $widget;
}

function guess_widget_indexes(&$panels){
  $map = ['text1'=>-1,'pic1'=>-1,'button1'=>-1,'text2'=>-1];
  $editors=[];
  foreach(($panels['widgets']??[]) as $i=>$w){
    if (is_editor_like_widget($w)) $editors[] = $i;
    elseif (is_image_widget($w) && $map['pic1']<0) $map['pic1']=$i;
    elseif (is_button_widget($w) && $map['button1']<0) $map['button1']=$i;
  }
  if (isset($editors[0])) $map['text1'] = $editors[0];
  if (isset($editors[1])) $map['text2'] = $editors[1];
  return $map;
}

/** Try to find two editor widgets whose current content contains 'placeholder' */
function find_placeholders(&$panels){
  $hit = [];
  foreach(($panels['widgets']??[]) as $i=>$w){
    if (!is_editor_like_widget($w)) continue;
    foreach (get_text_fields_present($w) as $k){
      $val = strtolower(trim(strip_tags((string)($w[$k] ?? ''))));
      if ($val !== '' && strpos($val, 'placeholder') !== false) {
        $hit[] = $i; break;
      }
    }
  }
  return array_values(array_unique($hit));
}

function set_image_attachment(&$widget,$att_id){ $widget['image']=(int)$att_id; $widget['size']=$widget['size']??'full'; return $widget; }
function set_button_url(&$widget,$url){ $widget['url']=esc_url_raw($url); return $widget; }

// ---------- MAIN ----------
if (!$CSV_PATH){ fwrite(STDERR,"Usage: php wix_csv_so_importer_v2.php /path/to/wix.csv\n"); exit(1); }
$tpl = load_template_panels($TEMPLATE_POST_ID);
if (!$tpl){ fwrite(STDERR,"Template #$TEMPLATE_POST_ID has no panels_data\n"); exit(1); }

$tplList = list_widgets($tpl);
fwrite(STDERR, "Template widgets:\n");
foreach($tplList as $w){ fwrite(STDERR, sprintf("  [%d] class=%s id=%s title=%s\n",$w['i'],$w['class'],$w['id'],$w['title'])); }

$rows = csv_rows($CSV_PATH);
$imported=0;

foreach($rows as $r){
  $title       = $r['Title']        ?? '';
  $author      = $r['author']       ?? '';
  $description = $r['description']  ?? '';
  $insight     = $r['insight']      ?? '';
  $picture_raw = $r['picture']      ?? '';
  $url         = $r['url']          ?? '';

  $pic_url = resolve_wix_image_url($picture_raw);

  // Create post (draft first)
  $post_id = wp_insert_post([
    'post_title'   => $title ?: '(Untitled)',
    'post_status'  => 'draft',
    'post_type'    => 'post',
    'post_content' => '',
  ]);
  if (is_wp_error($post_id) || !$post_id){ fwrite(STDERR,"Create failed for \"$title\"\n"); continue; }

  // Clone template panels
  $pan = $tpl; // by value

  // Prefer explicit Widget Titles (strict type checks for text)
  $idx = [
    'text1'   => find_editor_widget_by_title($pan,'text1'),
    'text2'   => find_editor_widget_by_title($pan,'text2'),
    'pic1'    => find_widget_by_title($pan,'pic1'),
    'button1' => find_widget_by_title($pan,'button1'),
  ];

  // If text1/text2 not found by title, try placeholder-based mapping
  if ($idx['text1'] < 0 || $idx['text2'] < 0) {
    $ph = find_placeholders($pan);
    if (count($ph) >= 2) {
      if ($idx['text1'] < 0) $idx['text1'] = $ph[0];
      if ($idx['text2'] < 0) $idx['text2'] = $ph[1];
    }
  }

  // Fallbacks: pick first two editor-like widgets for text1/text2; image/button as seen
  if ($idx['text1'] < 0 || $idx['text2'] < 0 || $idx['pic1'] < 0 || $idx['button1'] < 0) {
    $guess = guess_widget_indexes($pan);
    foreach ($idx as $k => $v) {
      if ($v < 0 && $guess[$k] >= 0) $idx[$k] = $guess[$k];
    }
  }

  // Safety: ensure text1/text2 are not button/image widgets
  foreach (['text1','text2'] as $k){
    $i = $idx[$k];
    if ($i >= 0) {
      $w = $pan['widgets'][$i];
      if (is_button_widget($w) || is_image_widget($w)) $idx[$k] = -1;
    }
  }

  // Compose HTML
  $html_text1 = '<p style="'.esc_attr($TEXT_STYLE).'">'
              . 'By:<br>'.esc_html($author).'<br>'
              . esc_html($title).'<br>'
              . nl2br(esc_html($description))
              . '</p>';

  $html_text2 = '<p style="'.esc_attr($TEXT_STYLE).'">'.nl2br(esc_html($insight)).'</p>';

  // Image download → featured + pic1
  $att_id = 0;
  if ($pic_url){
    $att_id = sideload_image_to_post($pic_url, $post_id);
    if ($att_id) set_post_thumbnail($post_id, $att_id);
  } else {
    fwrite(STDERR,"[WARN] No usable image URL for \"$title\" (raw: $picture_raw)\n");
  }

  // Apply to widgets if found
  if ($idx['text1']   >= 0) $pan['widgets'][$idx['text1']]   = set_editor_html($pan['widgets'][$idx['text1']], $html_text1);
  if ($idx['text2']   >= 0) $pan['widgets'][$idx['text2']]   = set_editor_html($pan['widgets'][$idx['text2']], $html_text2);
  if ($idx['pic1']    >= 0 && $att_id) $pan['widgets'][$idx['pic1']] = set_image_attachment($pan['widgets'][$idx['pic1']], $att_id);
  if ($idx['button1'] >= 0 && $url)    $pan['widgets'][$idx['button1']] = set_button_url($pan['widgets'][$idx['button1']], $url);

  // Save panels
  update_post_meta($post_id,'panels_data',$pan);
  update_post_meta($post_id,'panels_used',true);

  // Tag
  wp_set_post_terms($post_id, [$TAG_SLUG], 'post_tag', true);

  // Publish?
  if ($PUBLISH_STATUS !== 'draft'){
    wp_update_post(['ID'=>$post_id,'post_status'=>$PUBLISH_STATUS]);
  }

  $imported++;
  echo "Created post #$post_id — \"$title\"\n";
  if ($att_id) echo "  • Featured image attachment #$att_id set\n";
  echo get_permalink($post_id)."\n";

  // Debug: show which classes were targeted (verify text1/text2 are editors)
  $clsOf = function($i) use ($pan){ return $i>=0 ? strtolower($pan['widgets'][$i]['panels_info']['class'] ?? '(no-class)') : '(none)'; };
  fwrite(STDERR, "  Widgets idx/classes: "
    ."text1={$idx['text1']} ({$clsOf($idx['text1'])}) "
    ."text2={$idx['text2']} ({$clsOf($idx['text2'])}) "
    ."pic1={$idx['pic1']} ({$clsOf($idx['pic1'])}) "
    ."button1={$idx['button1']} ({$clsOf($idx['button1'])})\n");
}

// restore blog
if (is_multisite() && $TARGET_BLOG_ID) restore_current_blog();
echo "Done. Imported $imported row(s).\n";