#!/usr/bin/env bash
# Первичная настройка нового Linux-хоста: SSH, Gitea keys, clone Rules, init-cursor в shell profile.
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CONFIG_DIR="$ROOT/local"
RULES_DEST="${RULES_DEST:-$HOME/CursorRules}"
CLONE_URL="${CLONE_URL:-ssh://git@git.kalinamall.lan:2222/PapaTramp/Rules.git}"
SKIP_CLONE="${SKIP_CLONE:-0}"
SKIP_PROFILE="${SKIP_PROFILE:-0}"
WHAT_IF="${WHAT_IF:-0}"

log_step() { printf '[*] %s\n' "$1"; }
log_ok() { printf '[+] %s\n' "$1"; }
log_warn() { printf '[!] %s\n' "$1"; }

read_kv_file() {
  local file="$1"
  local line key value
  while IFS= read -r line || [[ -n "$line" ]]; do
    [[ "$line" =~ ^[[:space:]]*# ]] && continue
    [[ "$line" != *=* ]] && continue
    key="${line%%=*}"
    value="${line#*=}"
    key="${key%"${key##*[![:space:]]}"}"
    value="${value#"${value%%[![:space:]]*}"}"
    printf '%s=%s\n' "$key" "$value"
  done < "$file"
}

log_step 'Bootstrap: new machine setup'

user_cfg="$CONFIG_DIR/git-user.conf"
if [[ -f "$user_cfg" ]]; then
  while IFS= read -r kv; do
    key="${kv%%=*}"
    value="${kv#*=}"
    case "$key" in
      UserName) git config --global user.name "$value"; log_ok "git user.name = $value" ;;
      UserEmail) git config --global user.email "$value"; log_ok "git user.email = $value" ;;
    esac
  done < <(read_kv_file "$user_cfg")
fi

export CONFIG_DIR WHAT_IF
bash "$ROOT/scripts/setup-git-ssh.sh"
bash "$ROOT/scripts/register-gitea-ssh-keys.sh"

if [[ "$WHAT_IF" != '1' ]]; then
  log_step 'Testing git@git.kalinamall.lan'
  ssh -T -o BatchMode=yes -o ConnectTimeout=10 git@git.kalinamall.lan || true
fi

if [[ "$SKIP_CLONE" != '1' ]]; then
  if [[ "$WHAT_IF" == '1' ]]; then
    log_step "WhatIf: clone $CLONE_URL -> $RULES_DEST"
  elif [[ -d "$RULES_DEST/.git" ]]; then
    log_step "Updating $RULES_DEST"
    git -C "$RULES_DEST" pull --ff-only
    log_ok 'CursorRules updated'
  else
    [[ -e "$RULES_DEST" ]] && { echo "Path exists and is not a git repo: $RULES_DEST" >&2; exit 1; }
    log_step "Cloning $CLONE_URL"
    git clone "$CLONE_URL" "$RULES_DEST"
    log_ok "Cloned to $RULES_DEST"
  fi
fi

if [[ "$SKIP_PROFILE" != '1' ]]; then
  profile_hook="source \"$RULES_DEST/init-cursor.sh\""
  for profile in "$HOME/.bashrc" "$HOME/.zshrc"; do
    [[ -f "$profile" ]] || continue
    if ! grep -Fq "$profile_hook" "$profile" 2>/dev/null; then
      if [[ "$WHAT_IF" == '1' ]]; then
        log_step "WhatIf: add to $profile"
      else
        printf '\n%s\n' "$profile_hook" >> "$profile"
        log_ok "Profile updated: $profile"
      fi
    else
      log_ok "init-cursor already in $profile"
    fi
  done
fi

printf '\n'
log_ok 'Bootstrap complete. Open a new shell, then in a project: init-cursor'