#!/usr/bin/env bash
# =============================================================================
# scripts/setup-master.sh
# Initializes the umbrella (Master) repository and core configurations.
# =============================================================================

set -euo pipefail
source "lib/output.sh"
source "config.env"
source "lib/scaffold.sh"

step "Configuring Master Repository: ${MASTER_REPO}"

# Ensure workspace exists
mkdir -p "${WORK_DIR}/${MASTER_REPO}"
cd "${WORK_DIR}/${MASTER_REPO}"

if [ ! -d ".git" ]; then
    info "Initializing Git in Master repository..."
    git init

    # Optional: Add Karpathy's core reference as a read-only submodule
    if [ -n "${GIST_URL:-}" ]; then
        info "Adding core-karpathy as an external reference..."
        git submodule add "${GIST_URL}" core-karpathy || warn "Could not add core-karpathy submodule."
    fi
fi

# Apply master-level templates (README, AGENTS)
scaffold_master "."

# Initial commit for the master structure
git add .
git commit -m "chore: initialize master scaffold" || info "No changes to commit in master."