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

# ╭─────────────────────────────╮
# │      Config & Constants     │
# ╰─────────────────────────────╯
PROJECT_NAME=$(basename "$(pwd)")
DEFAULT_NAME="Mark Randall Havens"
DEFAULT_EMAIL="mark.r.havens@gmail.com"
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"
RAD_PUSH_FILE=".radicle-push-done"

# ╭─────────────────────────────╮
# │         Logging             │
# ╰─────────────────────────────╯
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; }

# ╭─────────────────────────────╮
# │      Git + Tools Check      │
# ╰─────────────────────────────╯
info "Checking Git..."
if ! command -v git &>/dev/null; then
  info "Installing Git..."
  sudo apt update && sudo apt install -y git || error "Failed to install Git"
fi
info "Git version: $(git --version)"

NAME=$(git config --global user.name || true)
EMAIL=$(git config --global user.email || true)
[[ -z "$NAME" || -z "$EMAIL" ]] && {
  info "Configuring Git identity..."
  git config --global user.name "$DEFAULT_NAME"
  git config --global user.email "$DEFAULT_EMAIL"
}
info "Git identity: $(git config --global user.name) <$(git config --global user.email)>"

# ╭─────────────────────────────╮
# │     Install Radicle CLI     │
# ╰─────────────────────────────╯
if [ ! -x "$RAD_BIN" ]; then
  info "Installing Radicle CLI from official script..."
  sudo apt install -y curl jq unzip || error "Missing dependencies"
  curl -sSf https://radicle.xyz/install | sh || error "Radicle CLI install failed"
fi

# ╭───────────────────────────────────────────────────────╮
# │     PATH Handling: Make rad command Just Work™️        │
# ╰───────────────────────────────────────────────────────╯
if ! command -v rad &>/dev/null; then
  if [[ ":$PATH:" != *":$HOME/.radicle/bin:"* ]]; then
    export PATH="$HOME/.radicle/bin:$PATH"
    info "→ Temporarily patched PATH for this session"
  fi
fi

if ! grep -Fxq "$RAD_PATH_LINE" "$PROFILE_FILE"; then
  echo "$RAD_PATH_LINE" >> "$PROFILE_FILE"
  info "→ Added PATH to $PROFILE_FILE"
  warn "→ Please run: source $PROFILE_FILE (or restart terminal) to make 'rad' globally available."
fi

if ! command -v rad &>/dev/null; then
  error "'rad' CLI not available. Even after PATH patch. Try opening a new terminal or sourcing ~/.bashrc"
fi

info "Radicle CLI ready: $(rad --version)"

# ╭─────────────────────────────╮
# │   Radicle Identity Restore  │
# ╰─────────────────────────────╯
mkdir -p "$(dirname "$RAD_BACKUP")"
if [ ! -f "$RAD_KEYS" ]; then
  if [ -f "$RAD_BACKUP" ]; then
    info "Injecting Radicle identity from backup..."
    cp "$RAD_BACKUP" "$RAD_KEYS" || error "Failed to restore keys"
  else
    info "Creating new Radicle identity..."
    rad auth || error "Radicle identity creation failed"
    cp "$RAD_KEYS" "$RAD_BACKUP" || warn "Backup of new identity failed"
  fi
else
  info "Radicle identity already present."
fi

# ╭─────────────────────────────╮
# │     Radicle Node Start      │
# ╰─────────────────────────────╯
pgrep -f "rad node start" &>/dev/null || {
  info "Starting Radicle node..."
  nohup rad node start > /dev/null 2>&1 &
  sleep 3
}

# ╭─────────────────────────────╮
# │   Git Repo Initialization   │
# ╰─────────────────────────────╯
if [ ! -d .git ]; then
  git init
  git add . || warn "Nothing to add"
  git commit -m "Initial commit" || warn "Nothing to commit"
else
  info "Git repo already initialized."
fi

# ╭─────────────────────────────╮
# │   Radicle Project Init      │
# ╰─────────────────────────────╯
if ! rad projects | grep -q "$PROJECT_NAME"; then
  info "Registering Radicle project '$PROJECT_NAME'..."
  rad init --name "$PROJECT_NAME" --description "Radicle sovereign project for $PROJECT_NAME" || warn "Project may already exist"
else
  info "Project '$PROJECT_NAME' already registered."
fi

# ╭─────────────────────────────╮
# │     Push to the Network     │
# ╰─────────────────────────────╯
if [ ! -f "$RAD_PUSH_FILE" ]; then
  info "Pushing project to Radicle network..."
  if rad sync; then
    touch "$RAD_PUSH_FILE"
    info "✓ Project replicated successfully."
  else
    warn "Radicle push failed or already synced."
  fi
else
  info "Push previously completed. Skipping."
fi

# ╭─────────────────────────────╮
# │     Final Output Block      │
# ╰─────────────────────────────╯
PROJECT_ID=$(rad self | grep 'Project ID' | awk '{print $NF}' || true)
PEER_ID=$(rad self | grep 'Peer ID' | awk '{print $NF}' || true)

[[ -n "$PROJECT_ID" ]] && info "✓ Project ID: $PROJECT_ID"
[[ -n "$PEER_ID" ]] && info "→ Peer ID: $PEER_ID (Share to connect)"