#!/usr/bin/env bash
# =============================================================================
# lib/scaffold.sh
# Directory structure creation and template rendering engine.
# =============================================================================

render_template() {
  local template_file="$1"
  local output_file="$2"

  [[ ! -f "$template_file" ]] && { error "Template not found: ${template_file}"; exit 1; }

  local content
  content=$(cat "$template_file")

  # Placeholder replacement
  content="${content//\{\{GENOME_NAME\}\}/${GENOME_NAME}}"
  content="${content//\{\{GENOME_NAME_UPPER\}\}/${GENOME_NAME^^}}"
  content="${content//\{\{GENOME_DESC\}\}/${GENOME_DESC}}"
  content="${content//\{\{FORGEJO_URL\}\}/${FORGEJO_URL}}"
  content="${content//\{\{FORGEJO_USER\}\}/${FORGEJO_USER}}"
  content="${content//\{\{VAULTWARDEN_URL\}\}/${VAULTWARDEN_URL}}"
  content="${content//\{\{MASTER_REPO\}\}/${MASTER_REPO}}"
  content="${content//\{\{DATE\}\}/$(date +%Y-%m-%d)}"

  mkdir -p "$(dirname "$output_file")"
  printf '%s\n' "$content" > "$output_file"
}

scaffold_genome() {
  local base="$1"
  local dirs=(
    "raw/articles" "raw/transcripts" "raw/code-packs" "raw/assets" "raw/private"
    "wiki/sources" "wiki/entities" "wiki/concepts" "wiki/queries" "wiki/private"
  )

  info "Building directory structure in ${base}..."
  for dir in "${dirs[@]}"; do
    mkdir -p "${base}/${dir}"
    touch "${base}/${dir}/.gitkeep"
  done

  # Core templates
  render_template "${TEMPLATES_DIR}/gitattributes"    "${base}/.gitattributes"
  render_template "${TEMPLATES_DIR}/gitignore"        "${base}/.gitignore"
  render_template "${TEMPLATES_DIR}/agents-genome.md" "${base}/AGENTS.md"
  render_template "${TEMPLATES_DIR}/wiki-index.md"    "${base}/wiki/index.md"
  render_template "${TEMPLATES_DIR}/wiki-log.md"      "${base}/wiki/log.md"

  success "Scaffold completed for genome: ${GENOME_NAME}"
}

install_precommit_hook() {
  local repo_path="$1"
  local hook_path="${repo_path}/.git/hooks/pre-commit"

  cp "${TEMPLATES_DIR}/pre-commit.sh" "$hook_path"
  chmod +x "$hook_path"
  success "Pre-commit security hook installed at: $hook_path"
}

scaffold_master() {
  local base="$1"
  render_template "${TEMPLATES_DIR}/agents-master.md" "${base}/AGENTS.md"
  render_template "${TEMPLATES_DIR}/readme-master.md"  "${base}/README.md"
  success "Master repository scaffold completed."
}