Adjustment of file structure

lib/ui_app_selector.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+# App selection functionality
+
+set -euo pipefail
+
+# Format app info for display
+format_app_display() {
+    local display_name="$1" size="$2" last_used="$3"
+
+    # Truncate long names
+    local truncated_name="$display_name"
+    if [[ ${#display_name} -gt 24 ]]; then
+        truncated_name="${display_name:0:21}..."
+    fi
+
+    # Format size
+    local size_str="Unknown"
+    [[ "$size" != "0" && "$size" != "" && "$size" != "Unknown" ]] && size_str="$size"
+
+    printf "%-24s (%s) | %s" "$truncated_name" "$size_str" "$last_used"
+}
+
+# Global variable to store selection result (bash 3.2 compatible)
+MOLE_SELECTION_RESULT=""
+
+# Main app selection function
+# shellcheck disable=SC2154  # apps_data is set by caller
+select_apps_for_uninstall() {
+    if [[ ${#apps_data[@]} -eq 0 ]]; then
+        log_warning "No applications available for uninstallation"
+        return 1
+    fi
+
+    # Build menu options
+    local -a menu_options=()
+    # Prepare metadata (comma-separated) for sorting/filtering inside the menu
+    local epochs_csv=""
+    local sizekb_csv=""
+    local idx=0
+    for app_data in "${apps_data[@]}"; do
+        # Keep extended field 7 (size_kb) if present
+        IFS='|' read -r epoch _ display_name _ size last_used size_kb <<< "$app_data"
+        menu_options+=("$(format_app_display "$display_name" "$size" "$last_used")")
+        # Build csv lists (avoid trailing commas)
+        if [[ $idx -eq 0 ]]; then
+            epochs_csv="${epoch:-0}"
+            sizekb_csv="${size_kb:-0}"
+        else
+            epochs_csv+=",${epoch:-0}"
+            sizekb_csv+=",${size_kb:-0}"
+        fi
+        ((idx++))
+    done
+
+    # Expose metadata for the paginated menu (optional inputs)
+    # - MOLE_MENU_META_EPOCHS: numeric last_used_epoch per item
+    # - MOLE_MENU_META_SIZEKB: numeric size in KB per item
+    # The menu will gracefully fallback if these are unset or malformed.
+    export MOLE_MENU_META_EPOCHS="$epochs_csv"
+    export MOLE_MENU_META_SIZEKB="$sizekb_csv"
+    # Optional: allow default sort override via env (date|name|size)
+    # export MOLE_MENU_SORT_DEFAULT="${MOLE_MENU_SORT_DEFAULT:-date}"
+
+    # Use paginated menu - result will be stored in MOLE_SELECTION_RESULT
+    # Note: paginated_multi_select enters alternate screen and handles clearing
+    MOLE_SELECTION_RESULT=""
+    paginated_multi_select "Select Apps to Remove" "${menu_options[@]}"
+    local exit_code=$?
+
+    # Clean env leakage for safety
+    unset MOLE_MENU_META_EPOCHS MOLE_MENU_META_SIZEKB
+    # leave MOLE_MENU_SORT_DEFAULT untouched if user set it globally
+
+    if [[ $exit_code -ne 0 ]]; then
+        echo "Cancelled"
+        return 1
+    fi
+
+    if [[ -z "$MOLE_SELECTION_RESULT" ]]; then
+        echo "No apps selected"
+        return 1
+    fi
+
+    # Build selected apps array (global variable in bin/uninstall.sh)
+    selected_apps=()
+
+    # Parse indices and build selected apps array
+    IFS=',' read -r -a indices_array <<< "$MOLE_SELECTION_RESULT"
+
+    for idx in "${indices_array[@]}"; do
+        if [[ "$idx" =~ ^[0-9]+$ ]] && [[ $idx -ge 0 ]] && [[ $idx -lt ${#apps_data[@]} ]]; then
+            selected_apps+=("${apps_data[idx]}")
+        fi
+    done
+
+    return 0
+}
+
+# Export function for external use
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    echo "This is a library file. Source it from other scripts." >&2
+    exit 1
+fi