#!/usr/bin/env bash
set -euo pipefail

GRADLEW="./gradlew"

if [[ ! -x "$GRADLEW" ]]; then
  echo "Missing or non-executable ./gradlew. Did you generate the Gradle wrapper?"
  exit 1
fi

# Get the task list once (quiet output to reduce noise)
ALL_TASKS="$($GRADLEW -q tasks --all || true)"

if [[ -z "$ALL_TASKS" ]]; then
  echo "Could not read Gradle tasks. Exiting."
  exit 1
fi

# Prefer KMP aggregate task when available
if echo "$ALL_TASKS" | grep -qE '^allTests[[:space:]]+-'; then
  TASKS="allTests"
else
  # Fallback: collect common test tasks, excluding device-dependent instrumentation tests
  TASKS="$(
    echo "$ALL_TASKS" \
      | awk '{print $1}' \
      | grep -E '(^test$|Test$|^check$)' \
      | grep -v 'AndroidTest' \
      | grep -v 'connectedAndroidTest' \
      | grep -v 'deviceAndroidTest' \
      | sort -u \
      | tr '\n' ' '
  )"
fi

# Strip spaces and validate
if [[ -z "${TASKS// /}" ]]; then
  echo "No test tasks found. Exiting."
  exit 1
fi

echo "Running: $GRADLEW $TASKS"
# Run all tasks in one go (faster, simpler)
$GRADLEW $TASKS

echo "==================="
echo "ALL TESTS PASSED!"
echo "==================="

# --- Commit, push, and create PR if on a feature branch ---

# Skip commit/push/PR when invoked from a git hook (prevents infinite loop)
if [[ "${GIT_PUSH_IN_PROGRESS:-}" == "1" ]] || [[ -n "${GIT_DIR:-}" && "${GIT_DIR}" != ".git" ]]; then
  exit 0
fi

BRANCH="$(git rev-parse --abbrev-ref HEAD)"
MAIN_BRANCH="main"

if [[ "$BRANCH" == "$MAIN_BRANCH" ]]; then
  echo "On $MAIN_BRANCH — skipping commit/push/PR."
  exit 0
fi

# Stage all changes (except untracked files the user hasn't added)
if git diff --quiet && git diff --cached --quiet && [[ -z "$(git ls-files --others --exclude-standard)" ]]; then
  echo "No changes to commit."
else
  git add -A
  COMMIT_MSG="feat: $(echo "$BRANCH" | sed 's/^[0-9]*-//' | tr '-' ' ')"
  git commit -m "$COMMIT_MSG" || echo "Nothing to commit."
fi

# Push branch to remote (skip hooks to avoid re-triggering verify.sh)
GIT_PUSH_IN_PROGRESS=1 git push --no-verify -u origin "$BRANCH"

# Create PR if one doesn't already exist for this branch
if gh pr view "$BRANCH" --json state >/dev/null 2>&1; then
  PR_URL="$(gh pr view "$BRANCH" --json url -q '.url')"
  echo "PR already exists: $PR_URL"
else
  TITLE="$(echo "$BRANCH" | sed 's/^[0-9]*-//' | tr '-' ' ' | awk '{for(i=1;i<=NF;i++) $i=toupper(substr($i,1,1)) substr($i,2)}1')"
  PR_URL="$(gh pr create --title "$TITLE" --body "Automated PR from verify.sh" --base "$MAIN_BRANCH" --head "$BRANCH")"
  echo "PR created: $PR_URL"
fi