#!/usr/bin/env bash
# Add .git, .gitignore, and README.md to all project directories under PROJECTS_DIR that don't have .git;
# then run push-all-projects-to-gitea.sh to create Gitea repos and push.
# Usage: bash scripts/dev-vm/init-projects-git-and-push.sh [--dry-run] [--no-push]
# Optional: PROJECTS_DIR=/path
# Requires: run from proxmox repo root; GITEA_TOKEN in env or root .env for push
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
[ -f "$PROJECT_ROOT/.env" ] && set +u && source "$PROJECT_ROOT/.env" 2>/dev/null || true && set -u

PROJECTS_DIR="${PROJECTS_DIR:-/home/intlc/projects}"
DRY_RUN=false
NO_PUSH=false
[[ "${1:-}" == "--dry-run" ]] && DRY_RUN=true
[[ "${1:-}" == "--no-push" ]] && NO_PUSH=true

# Directories to skip (not treated as projects)
SKIP_NAMES=(
  __pycache__
  archives
  logs
  .git
)

# Default .gitignore content (multi-language)
GITIGNORE_TEMPLATE="$SCRIPT_DIR/gitignore-default.txt"

discover_no_git_dirs() {
  for d in "$PROJECTS_DIR"/*/; do
    [ -d "${d}.git" ] && continue
    name=$(basename "$d")
    for skip in "${SKIP_NAMES[@]}"; do
      [[ "$name" == "$skip" ]] && continue 2
    done
    echo "$d"
  done 2>/dev/null | sort -u
}

ensure_gitignore() {
  local dir="$1"
  if [ -f "$dir/.gitignore" ]; then
    return 0
  fi
  if [ -f "$GITIGNORE_TEMPLATE" ]; then
    cp "$GITIGNORE_TEMPLATE" "$dir/.gitignore"
    echo "  Added .gitignore"
  else
    printf '# Dependencies\nnode_modules/\n# Env\n.env\n.env.*\n# OS\n.DS_Store\n# Build\ndist/\nbuild/\n' > "$dir/.gitignore"
    echo "  Added minimal .gitignore"
  fi
}

ensure_readme() {
  local dir="$1"
  local name="$2"
  if [ -f "$dir/README.md" ]; then
    return 0
  fi
  cat > "$dir/README.md" << EOF
# $name

Project under \`$PROJECTS_DIR/$name\`.

## Overview

(Add project description and setup instructions here.)
EOF
  echo "  Added README.md"
}

init_and_commit() {
  local dir="$1"
  local name="$2"
  if $DRY_RUN; then
    echo "  [DRY-RUN] Would: git init, add .gitignore, README.md, initial commit"
    return 0
  fi
  (cd "$dir" && git init -b main 2>/dev/null) || (cd "$dir" && git init && git branch -M main)
  ensure_gitignore "$dir"
  ensure_readme "$dir" "$name"
  (cd "$dir" && git add -A && git status --short)
  if (cd "$dir" && git diff --cached --quiet); then
    echo "  No changes to commit (already tracked or empty)"
  else
    (cd "$dir" && git commit -m "Initial commit: add .gitignore and README")
    echo "  Initial commit done"
  fi
}

echo "Projects dir: $PROJECTS_DIR | DRY_RUN=$DRY_RUN | NO_PUSH=$NO_PUSH"
DIRS=()
while read -r d; do
  [ -n "$d" ] && DIRS+=("$d")
done < <(discover_no_git_dirs)

echo "Found ${#DIRS[@]} directories without .git. Initializing..."
for d in "${DIRS[@]}"; do
  name=$(basename "$d")
  echo "--- $name ---"
  init_and_commit "$d" "$name" || true
done
echo "Done initializing."

if [ "$NO_PUSH" = true ]; then
  echo "Skipping push (--no-push). Run: bash scripts/dev-vm/push-all-projects-to-gitea.sh"
  exit 0
fi
if $DRY_RUN; then
  echo "Dry-run: skipping push. Run without --dry-run to push."
  exit 0
fi

echo "Running push-all-projects-to-gitea.sh..."
exec bash "$SCRIPT_DIR/push-all-projects-to-gitea.sh"