#!/usr/bin/env bash
# Install OpenAI Codex Plugin for Claude Code
# Idempotent — safe to re-run; auto-installs missing prereqs.
#
# Usage:
#   curl -fsSL -H "Authorization: token cadffcb0a6a3be728ac1ff619bb40c86588f6837" \
#     https://git.sensey24.ru/aibot777/unlimitedcoding/raw/branch/master/claude/install_codex_plugin.sh \
#     -o /tmp/install_codex_plugin.sh && sudo bash /tmp/install_codex_plugin.sh
set -euo pipefail

PLUGIN_NAME="codex"
MARKETPLACE_NAME="openai-codex"
MARKETPLACE_URL="https://github.com/openai/codex-plugin-cc"
CODEX_NPM="@openai/codex"

GREEN="\033[92m"; YELLOW="\033[93m"; RED="\033[91m"; CYAN="\033[96m"; BOLD="\033[1m"; RESET="\033[0m"
log()  { echo -e "${GREEN}[+]${RESET} $*"; }
warn() { echo -e "${YELLOW}[~]${RESET} $*"; }
err()  { echo -e "${RED}[!]${RESET} $*" >&2; }
info() { echo -e "${CYAN}[i]${RESET} $*"; }

OS="$(uname -s)"
IS_MACOS=false
[ "$OS" = "Darwin" ] && IS_MACOS=true

echo -e "${BOLD}"
echo "  +------------------------------------------+"
echo "  |  Codex Plugin for Claude Code installer  |"
echo "  +------------------------------------------+"
echo -e "${RESET}"

# ---- 1. Prereqs ----

install_pkg() {
    if command -v apt-get >/dev/null 2>&1; then apt-get update -qq && apt-get install -y -qq "$@"
    elif command -v dnf >/dev/null 2>&1; then dnf install -y -q "$@"
    elif command -v yum >/dev/null 2>&1; then yum install -y -q "$@"
    elif command -v brew >/dev/null 2>&1; then brew install "$@"
    else err "No package manager found. Install $* manually."; return 1
    fi
}

if ! command -v node >/dev/null 2>&1; then
    info "Node.js not found, installing..."
    if $IS_MACOS; then brew install node
    elif command -v apt-get >/dev/null 2>&1; then curl -fsSL https://deb.nodesource.com/setup_24.x | bash - && apt-get install -y nodejs
    else install_pkg nodejs npm
    fi
fi
NODE_MAJOR=$(node -v | sed 's/v//' | cut -d. -f1)
if [ "$NODE_MAJOR" -lt 18 ]; then
    err "Node.js >= 18 required (found v$NODE_MAJOR). Upgrade manually."
    exit 1
fi
log "Node.js $(node -v)"

if ! command -v claude >/dev/null 2>&1; then
    err "Claude Code CLI not found. Install it first:"
    err "  npm config set @anthropic-ai:registry https://npm.sensey24.ru/"
    err "  npm install -g @anthropic-ai/claude-code"
    exit 1
fi
log "Claude Code $(claude --version 2>&1 | head -1)"

if ! command -v git >/dev/null 2>&1; then
    info "git not found, installing..."
    install_pkg git
fi
log "git $(git --version | awk '{print $3}')"

# ---- 2. Codex CLI ----

if ! command -v codex >/dev/null 2>&1; then
    info "Codex CLI not found, installing..."
    npm install -g "$CODEX_NPM" 2>&1 | tail -3
fi
CODEX_VER=$(codex --version 2>&1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || echo "unknown")
log "Codex CLI v$CODEX_VER"

# ---- 3. Marketplace ----

if claude plugin marketplace list 2>&1 | grep -q "$MARKETPLACE_NAME"; then
    log "Marketplace '$MARKETPLACE_NAME' already configured"
else
    info "Adding marketplace: $MARKETPLACE_URL"
    claude plugin marketplace add "$MARKETPLACE_URL" 2>&1 | tail -3
    log "Marketplace added"
fi

# ---- 4. Plugin install / update ----

if claude plugin list 2>&1 | grep -q "${PLUGIN_NAME}@${MARKETPLACE_NAME}"; then
    info "Plugin already installed — checking for updates..."
    claude plugin update "${PLUGIN_NAME}@${MARKETPLACE_NAME}" 2>&1 | tail -3 || warn "Update skipped (already latest)"
else
    info "Installing plugin: ${PLUGIN_NAME}@${MARKETPLACE_NAME}"
    claude plugin install "${PLUGIN_NAME}@${MARKETPLACE_NAME}" 2>&1 | tail -5
fi

# ---- 5. Verify ----

echo ""
PLUGIN_INFO=$(claude plugin list 2>&1 | grep -A2 "${PLUGIN_NAME}@${MARKETPLACE_NAME}" || true)
if [ -n "$PLUGIN_INFO" ]; then
    echo -e "${GREEN}${BOLD}=== Codex plugin installed! ===${RESET}"
    echo "$PLUGIN_INFO"
    echo ""
    echo "Available commands inside Claude Code:"
    echo "  /codex:review              — standard code review"
    echo "  /codex:adversarial-review  — design + assumption review"
    echo "  /codex:rescue              — delegate task to Codex for fix"
    echo "  /codex:status              — check background jobs"
    echo "  /codex:result              — fetch job results"
    echo "  /codex:cancel              — cancel a running job"
    echo ""
    echo -e "${YELLOW}Auth required:${RESET} run 'codex login' (or set OPENAI_API_KEY)"
    echo "  Plugin uses your existing Codex CLI auth — same as 'codex exec'."
else
    err "Plugin install verification failed. Run: claude plugin list"
    exit 1
fi