#!/bin/bash
set -euo pipefail

TEMPLATE_REMOTE="git@git.chipperfluff.at:projects/funkyFlaskTest.git"
CONFIRM_MODULE=""
SELF_PATH="$0"

# === Dependency check ===
require() {
  if ! command -v "$1" &>/dev/null; then
    echo "❗ Missing dependency: $1"
    read -rp "👉 Install $1 now? (y/n): " confirm
    if [[ "$confirm" =~ ^[Yy]$ ]]; then
      if [[ -f /etc/debian_version ]]; then
        sudo apt-get update && sudo apt-get install -y "$1" || {
          echo "💥 Failed to install $1 via apt-get"
          exit 1
        }
      elif [[ "$(uname)" == "Darwin" ]]; then
        brew install "$1" || {
          echo "💥 Failed to install $1 via brew"
          exit 1
        }
      else
        echo "🤷 I don't know how to install $1 on this system."
        exit 1
      fi
    else
      echo "🚫 Cannot continue without $1"
      exit 1
    fi
  fi
}

require git
require jq

# === Parse CLI args ===
while [[ $# -gt 0 ]]; do
  case "$1" in
    --confirm) CONFIRM_MODULE="$2"; shift ;;
    --help)
      echo "Usage: ./reset.sh [--confirm your-current-module-name]"
      echo "Wipes current repo and resets to template:"
      echo "  $TEMPLATE_REMOTE"
      exit 0 ;;
    *)
      echo "❌ Unknown option: $1"
      exit 1 ;;
  esac
  shift
done

# === Detect current module name from package.json ===
if [[ ! -f source/package.json ]]; then
  echo "❌ Can't find source/package.json. Not a proper squirrel module?"
  exit 1
fi

CURRENT_NAME=$(jq -r '.name' source/package.json)

# === Confirm the name matches or prompt ===
if [[ -z "$CONFIRM_MODULE" ]]; then
  read -rp "⚠️ Type the current module name to confirm reset ($CURRENT_NAME): " CONFIRM_MODULE
fi

if [[ "$CONFIRM_MODULE" != "$CURRENT_NAME" ]]; then
  echo "🛑 Confirmation failed. You typed '$CONFIRM_MODULE', but module is '$CURRENT_NAME'."
  exit 1
fi

echo "🧨 Confirmed. Resetting module '$CURRENT_NAME' to template."

# === Ensure git repo exists ===
if [[ ! -d .git ]]; then
  echo "📁 No git repo found. Initializing..."
  git init
  git remote add origin "$TEMPLATE_REMOTE"
fi

# === Ensure correct remote is set ===
if ! git remote get-url origin | grep -q "$TEMPLATE_REMOTE"; then
  echo "🔗 Setting template remote to $TEMPLATE_REMOTE"
  git remote set-url origin "$TEMPLATE_REMOTE"
fi

# === Reset hard to remote ===
echo "🔥 Fetching template and resetting..."
git fetch origin
git reset --hard origin/HEAD

echo "✅ Reset complete. Your sins have been erased."