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

# ╭───────────────────────────────╮
# │         Config & Paths        │
# ╰───────────────────────────────╯
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 Precheck     │
# ╰───────────────────────────────╯
info "Checking Git..."
command -v git >/dev/null || {
  info "Installing Git..."
  sudo apt update && sudo apt install -y git || error "Failed to install Git"
}
info "Git version: $(git --version)"

NAME=$(git config --global user.name || true)
EMAIL=$(git config --global user.email || true)
[[ -z "$NAME" || -z "$EMAIL" ]] && {
  info "Setting 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..."
  sudo apt install -y curl jq unzip || error "Missing dependencies"
  curl -sSf https://radicle.xyz/install | sh || error "Radicle install failed"
fi

# ─ PATH Setup (Temporary + Persistent)
if ! command -v rad &>/dev/null; then
  export PATH="$HOME/.radicle/bin:$PATH"
  info "→ Temporarily patched PATH for this session"
fi

if ! grep -Fxq "$RAD_PATH_LINE" "$PROFILE_FILE"; then
  echo "$RAD_PATH_LINE" >> "$PROFILE_FILE"
  info "→ Added PATH to $PROFILE_FILE"
  warn "→ Run 'source $PROFILE_FILE' to make 'rad' persistent"
fi

command -v rad >/dev/null || error "Radicle CLI still unavailable. Try restarting your terminal."

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

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

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

# ╭───────────────────────────────╮
# │      Initialize Git Repo      │
# ╰───────────────────────────────╯
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

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

# ╭───────────────────────────────╮
# │     Push Current Branch       │
# ╰───────────────────────────────╯
CURRENT_BRANCH=$(git symbolic-ref --short HEAD)
if [ ! -f "$RAD_PUSH_FILE" ]; then
  info "Pushing branch '$CURRENT_BRANCH' to Radicle..."
  if git push rad "$CURRENT_BRANCH"; then
    touch "$RAD_PUSH_FILE"
    info "✓ Branch '$CURRENT_BRANCH' replicated successfully"
  else
    warn "Radicle push failed or already synced"
  fi
else
  info "Push previously completed. Skipping."
fi

# ╭───────────────────────────────╮
# │         Final Output          │
# ╰───────────────────────────────╯
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)"