#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

PROJECT_NAME=$(basename "$(pwd)")
DEFAULT_NAME="Mark Randall Havens"
DEFAULT_EMAIL="mark.r.havens@gmail.com"
SCRIPT_VERSION="1.0"

RAD_HOME="$HOME/.radicle"
RAD_BIN="$RAD_HOME/bin/rad"
RAD_KEYS="$RAD_HOME/keys.json"
RAD_BACKUP=".radicle-backup/keys.json"
RAD_PATH_LINE='export PATH="$HOME/.radicle/bin:$PATH"'
PROFILE_FILE="$HOME/.bashrc"
PUSH_STATE_FILE=".radicle-push-state"
MARKDOWN_FILE=".radicle-link.md"

info()  { echo -e "\e[1;34m[INFO]\e[0m $*"; }
warn()  { echo -e "\e[1;33m[WARN]\e[0m $*"; }
error() { echo -e "\e[1;31m[ERROR]\e[0m $*" >&2; exit 1; }

# Ensure tools
sudo apt update -qq
sudo apt install -y git curl jq unzip || error "Missing deps"

if [ ! -x "$RAD_BIN" ]; then
  curl -sSf https://radicle.xyz/install | sh || error "Radicle install failed"
fi
export PATH="$HOME/.radicle/bin:$PATH"
grep -qxF "$RAD_PATH_LINE" "$PROFILE_FILE" || echo "$RAD_PATH_LINE" >> "$PROFILE_FILE"

command -v rad >/dev/null || error "Radicle CLI unavailable"

# Git config
git config --global user.name "$DEFAULT_NAME"
git config --global user.email "$DEFAULT_EMAIL"

[ -d .git ] || git init
git add . || true
git commit -m "Initial commit" || true

# Identity setup
mkdir -p "$(dirname "$RAD_BACKUP")"
[ -f "$RAD_KEYS" ] || {
  [ -f "$RAD_BACKUP" ] && cp "$RAD_BACKUP" "$RAD_KEYS" || {
    rad auth || error "Failed to create identity"
    cp "$RAD_KEYS" "$RAD_BACKUP"
  }
}

# Start node
pgrep -f "rad node start" >/dev/null || nohup rad node start >/dev/null 2>&1 &

# Register project
rad projects | grep -q "$PROJECT_NAME" || \
rad init --name "$PROJECT_NAME" --description "Radicle sovereign repo for $PROJECT_NAME"

# Push commit
BRANCH=$(git symbolic-ref --short HEAD)
COMMIT=$(git rev-parse HEAD)
LAST_PUSHED=$(cat "$PUSH_STATE_FILE" 2>/dev/null || echo "none")
[ "$COMMIT" = "$LAST_PUSHED" ] || {
  git push rad "$BRANCH" && echo "$COMMIT" > "$PUSH_STATE_FILE"
}

# Metadata
TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
REPO_PATH=$(pwd)
LATEST_SHA=$COMMIT
LAST_COMMIT_MSG=$(git log -1 --pretty=format:"%s")
LAST_COMMIT_DATE=$(git log -1 --pretty=format:"%ad")
LAST_COMMIT_AUTHOR=$(git log -1 --pretty=format:"%an <%ae>")
TOTAL_COMMITS=$(git rev-list --count HEAD)
TRACKED_FILES=$(git ls-files | wc -l)
UNCOMMITTED=$(if ! git diff --quiet || ! git diff --cached --quiet; then echo "Yes"; else echo "No"; fi)
LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "None")

HOSTNAME=$(hostname)
CURRENT_USER=$(whoami)
TIMEZONE=$(date +%Z)

OS_NAME=$(uname -s)
KERNEL_VERSION=$(uname -r)
ARCHITECTURE=$(uname -m)
OS_PRETTY_NAME=$(grep PRETTY_NAME /etc/os-release | cut -d= -f2 | tr -d '"')
DOCKER_CHECK=$(grep -qE '/docker|/lxc' /proc/1/cgroup && echo "Yes" || echo "No")
WSL_CHECK=$(grep -qi microsoft /proc/version && echo "Yes" || echo "No")
VM_CHECK=$(systemd-detect-virt 2>/dev/null || echo "Unknown")
UPTIME=$(uptime -p)
MAC_ADDR=$(ip link | awk '/ether/ {print $2}' | head -n 1)
LOCAL_IP=$(hostname -I | awk '{print $1}')
CPU_MODEL=$(grep -m1 'model name' /proc/cpuinfo | cut -d: -f2 | sed 's/^ //')
RAM_GB=$(awk '/MemTotal/ {printf "%.2f", $2/1024/1024}' /proc/meminfo)

PROJECT_ID=$(rad self | grep 'Project ID' | awk '{print $NF}')
PEER_ID=$(rad self | grep 'Peer ID' | awk '{print $NF}')
RAD_LINK="rad:$PROJECT_ID"

cat > "$MARKDOWN_FILE" <<EOF
# 🕸️ Radicle Repository Link

- **Repo Name**: \`$PROJECT_NAME\`
- **Radicle Project ID**: \`$PROJECT_ID\`
- **Radicle Peer ID**: \`$PEER_ID\`
- **Radicle URL**: \`$RAD_LINK\`
- **Local Repo Path**: \`$REPO_PATH\`
- **Remote Label**: \`rad\`
- **Default Branch**: \`$BRANCH\`
- **Repo Synced**: \`$TIMESTAMP\`

---

## 📦 Commit Info

- **Commit Timestamp**: \`$TIMESTAMP\`
- **Last Commit SHA**: \`$LATEST_SHA\`
- **Commit Message**: \`$LAST_COMMIT_MSG\`
- **Commit Author**: \`$LAST_COMMIT_AUTHOR\`
- **Commit Date**: \`$LAST_COMMIT_DATE\`

---

## 📊 Repo Status

- **Total Commits**: \`$TOTAL_COMMITS\`
- **Tracked Files**: \`$TRACKED_FILES\`
- **Uncommitted Changes**: \`$UNCOMMITTED\`
- **Latest Tag**: \`$LATEST_TAG\`

---

## 🧭 Environment

- **Host Machine**: \`$HOSTNAME\`
- **Current User**: \`$CURRENT_USER\`
- **Time Zone**: \`$TIMEZONE\`
- **Script Version**: \`v$SCRIPT_VERSION\`

---

## 🧬 Hardware & OS Fingerprint

- **OS Name**: \`$OS_NAME\`
- **OS Version**: \`$OS_PRETTY_NAME\`
- **Kernel Version**: \`$KERNEL_VERSION\`
- **Architecture**: \`$ARCHITECTURE\`
- **Running in Docker**: \`$DOCKER_CHECK\`
- **Running in WSL**: \`$WSL_CHECK\`
- **Virtual Machine**: \`$VM_CHECK\`
- **System Uptime**: \`$UPTIME\`
- **MAC Address**: \`$MAC_ADDR\`
- **Local IP**: \`$LOCAL_IP\`
- **CPU Model**: \`$CPU_MODEL\`
- **Total RAM (GB)**: \`$RAM_GB\`

---

_Auto-generated by \`gitfield-radicle\` push script._
EOF

git add "$MARKDOWN_FILE"
git commit -m "Radicle metadata link commit at $TIMESTAMP" || warn "No changes to commit"
git push rad "$BRANCH"

echo -e "\n🌱 Project ID: $PROJECT_ID"
echo -e "🌐 Peer ID: $PEER_ID"
echo -e "🔗 Link: $RAD_LINK"