#!/usr/bin/env bash
# macos-install.sh — Bootstrap Doom Emacs development environment on macOS
# Run once on a fresh machine. Idempotent — safe to re-run.
# Usage: bash scripts/macos-install.sh

set -euo pipefail

GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

info()  { echo -e "${GREEN}▶${NC} $*"; }
warn()  { echo -e "${YELLOW}⚠${NC}  $*"; }
error() { echo -e "${RED}✗${NC}  $*"; }
section() { echo -e "\n${GREEN}══ $* ══${NC}"; }

# ─── Homebrew ───────────────────────────────────────────────────────────────
section "Homebrew"
if ! command -v brew &>/dev/null; then
  info "Installing Homebrew..."
  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
else
  info "Homebrew already installed"
fi

# ─── Core GNU tools (Doom prefers GNU over BSD) ──────────────────────────────
section "Core GNU tools"
brew install --quiet \
  coreutils \
  gnu-sed \
  findutils \
  grep \
  git \
  curl \
  wget \
  jq

# ─── Doom Emacs prerequisites ────────────────────────────────────────────────
section "Doom Emacs prerequisites"
brew install --quiet \
  cmake \
  libtool \
  automake \
  autoconf \
  pkg-config \
  texinfo \
  sqlite \
  tree-sitter

# ─── Emacs (if not already installed) ───────────────────────────────────────
section "Emacs"
if ! command -v emacs &>/dev/null; then
  warn "Emacs not found. Install manually:"
  warn "  brew install --cask emacs                  # pre-built GUI"
  warn "  OR build from source with MacPorts/Homebrew for latest patches"
else
  info "Emacs: $(emacs --version | head -1)"
fi

# ─── Search tools (Doom/Vertico/Consult use these) ───────────────────────────
section "Search & navigation tools"
brew install --quiet \
  fd \
  ripgrep \
  fzf \
  bat \
  the_silver_searcher

# ─── Spell & grammar ─────────────────────────────────────────────────────────
section "Spell & grammar"
brew install --quiet \
  ispell \
  languagetool

# ─── Email (mu4e + mbsync) ───────────────────────────────────────────────────
section "Email — mu4e"
brew install --quiet \
  mu \
  isync

# ─── PDF tools ───────────────────────────────────────────────────────────────
section "PDF tools"
brew install --quiet \
  poppler \
  mupdf-tools

# ─── Fonts (Doom uses nerd-fonts) ────────────────────────────────────────────
section "Fonts"
brew install --quiet --cask \
  font-jetbrains-mono-nerd-font \
  font-fira-code-nerd-font \
  2>/dev/null || warn "Font casks may need manual install from nerd-fonts"

# ─── Perl ────────────────────────────────────────────────────────────────────
section "Perl"
brew install --quiet perl

# Install cpanm
if ! command -v cpanm &>/dev/null; then
  info "Installing cpanm..."
  curl -L https://cpanmin.us | perl - App::cpanminus
fi

info "Installing Perl modules (LSP, Tidy, Critic)..."
cpanm --quiet --notest \
  Perl::LanguageServer \
  Perl::Tidy \
  Perl::Critic \
  App::perlimports \
  2>/dev/null || warn "Some Perl modules failed — run cpanm manually if needed"

# ─── Python ──────────────────────────────────────────────────────────────────
section "Python"
brew install --quiet \
  python \
  pyenv \
  ruff \
  uv

# Pyright LSP
if ! command -v pyright &>/dev/null; then
  info "Installing pyright..."
  npm install -g pyright 2>/dev/null || warn "npm not found, install node first: brew install node"
fi

# ─── Go ──────────────────────────────────────────────────────────────────────
section "Go"
brew install --quiet go

info "Installing Go tools..."
go install golang.org/x/tools/gopls@latest 2>/dev/null          || warn "gopls install failed"
go install golang.org/x/tools/cmd/goimports@latest 2>/dev/null  || warn "goimports install failed"
go install github.com/go-delve/delve/cmd/dlv@latest 2>/dev/null || warn "delve install failed"

# ─── Node.js (needed for some LSPs) ─────────────────────────────────────────
section "Node.js"
brew install --quiet node

# ─── Ansible ─────────────────────────────────────────────────────────────────
section "Ansible"
brew install --quiet \
  ansible \
  ansible-lint

# ─── Terraform ───────────────────────────────────────────────────────────────
section "Terraform"
brew install --quiet \
  terraform \
  terraform-ls \
  tflint

# ─── Containers (Podman) ─────────────────────────────────────────────────────
section "Podman / Containers"
brew install --quiet \
  podman \
  hadolint

# ─── Kubernetes ──────────────────────────────────────────────────────────────
section "Kubernetes tools"
brew install --quiet \
  kubectl \
  kubectx

# ─── Version control extras ──────────────────────────────────────────────────
section "Git extras"
brew install --quiet \
  git-delta \
  gh

# ─── perltidy config (if missing) ────────────────────────────────────────────
section "perltidy config"
if [ ! -f "$HOME/.perltidyrc" ]; then
  info "Creating ~/.perltidyrc..."
  cat > "$HOME/.perltidyrc" << 'PERLTIDY'
-l=100
-i=4
-ci=4
-ce
-vt=0
-cti=0
-pt=0
-bt=0
-sbt=0
-bbt=0
-nsfs
-nolq
PERLTIDY
fi

# ─── Doom Emacs setup ────────────────────────────────────────────────────────
section "Doom Emacs"
if [ ! -d "$HOME/.emacs.d" ]; then
  warn "Doom not installed. To install:"
  warn "  git clone --depth 1 https://github.com/doomemacs/doomemacs ~/.emacs.d"
  warn "  ~/.emacs.d/bin/doom install"
elif [ ! -d "$HOME/.doom.d" ]; then
  warn "~/.doom.d missing. Clone your config:"
  warn "  git clone https://git.apps.sukany.cz/martin/emacs-doom ~/.doom.d"
  warn "  git clone https://git.apps.sukany.cz/martin/emacs-org ~/org"
  warn "  ~/.emacs.d/bin/doom sync"
else
  info "Doom config found at ~/.doom.d"
  info "Run: ~/.emacs.d/bin/doom sync"
fi

# ─── Summary ─────────────────────────────────────────────────────────────────
section "Done"
echo ""
echo "Manual steps remaining:"
echo "  1. Create ~/.authinfo with CalDAV credentials"
echo "     machine cal.apps.sukany.cz login martin password YOUR_PASS"
echo "  2. Configure mbsync: cp ~/.doom.d/examples/mbsyncrc ~/.mbsyncrc"
echo "  3. If Emacs built from source: sudo port install texinfo tree-sitter"
echo "  4. doom sync (in ~/.doom.d)"
echo "  5. doom doctor (check for remaining issues)"
echo ""
info "Installation complete."