#!/bin/bash
set -euo pipefail

# Show modified + untracked files and let user pick (multi-select)
# Use NUL-safe listing then convert to newlines for gum
selected=$(git ls-files -m -o --exclude-standard -z | tr '\0' '\n' | gum choose --no-limit) || true

if [ -z "$selected" ]; then
  echo "No files selected; aborting."
  exit 0
fi

# Stage each selected file (handle spaces/newlines safely)
while IFS= read -r file; do
  # skip empty lines (defensive)
  [ -n "$file" ] || continue
  git add -- "$file"
done <<< "$selected"

# Helper to unstage only the files we added
unstage_added() {
  if [ "${#added[@]}" -gt 0 ]; then
    git reset -- "${added[@]}"
  fi
}

# If nothing is staged, abort (don't commit or push)
if ! git diff --cached --name-only | grep -q .; then
  echo "No files staged after selection; aborting."
  exit 0
fi

# Commit using gum for message/summary
# Prompt for a short summary (single-line)
SUMMARY="$(gum input --placeholder "Summary of this change" --value "")" || true

# If the user cancelled or left it empty, unstage and abort
if [ -z "$SUMMARY" ]; then
  echo "No summary provided; aborting and unstaging changes."
  unstage_added
  exit 0
fi

# Prompt for a longer description (multi-line)
DESCRIPTION="$(gum write --placeholder "Details of this change (optional)")" || true

# Confirm before committing
if ! gum confirm "Commit with summary: \"$SUMMARY\"?"; then
  echo "Commit cancelled; unstaging changes."
  unstage_added
  exit 0
fi

# Perform the commit (description as second -m if present)
if [ -n "$DESCRIPTION" ]; then
  git commit -m "$SUMMARY" -m "$DESCRIPTION"
else
  git commit -m "$SUMMARY"
fi

BRANCH=$(git name-rev --name-only HEAD)

# Only push if a remote named "origin" exists
if git config --get remote.origin.url >/dev/null 2>&1; then
  git push origin "$BRANCH"
else
  echo "No remote 'origin' found; skipping git push."
fi