#!/usr/bin/env bash
# core/tmux.sh - tmux with vi copy mode, OSC52 clipboard sharing over ssh and a
# plugin-free pastel theme (no patched/nerd fonts needed).
# Standalone: curl -fsSL <base>/core/tmux.sh | bash -s -- --base-url <base>

set -euo pipefail

# --- shell-inits preamble v1 (identical across core/ and sets/ scripts) -----
DEFAULT_BASE_URL=""  # per-deployment fallback, e.g. https://git.example.com/shell-inits/raw/main
SI_BASE_URL=${SHELL_INITS_BASE_URL:-}
_si_self=${BASH_SOURCE[0]:-}
while [[ $# -gt 0 ]]; do
  case $1 in
    --base-url) SI_BASE_URL=${2:?--base-url needs a value}; shift 2 ;;
    *) shift ;;
  esac
done
if [[ -z $SI_BASE_URL && -n $_si_self && -f $_si_self ]]; then
  SI_MODE=local
  SI_ROOT=$(cd -- "$(dirname -- "$_si_self")/.." && pwd)
elif [[ -z $SI_BASE_URL && -n $DEFAULT_BASE_URL ]]; then
  SI_MODE=remote
  SI_BASE_URL=$DEFAULT_BASE_URL
else
  SI_MODE=remote
fi
export SI_BASE_URL SI_MODE SI_ROOT
if [[ -z $SI_BASE_URL && $SI_MODE != local ]]; then
  echo "shell-inits: base URL required (--base-url URL, SHELL_INITS_BASE_URL env, or run from a checkout)" >&2
  exit 1
fi
if [[ $SI_MODE == local ]]; then
  source "$SI_ROOT/lib/common.sh"
else
  command -v curl >/dev/null 2>&1 || command -v wget >/dev/null 2>&1 \
    || { echo "shell-inits: curl or wget required" >&2; exit 1; }
  _si_tmp=$(mktemp -d)
  for _si_lib in common distro fetch pkg state asset; do
    if command -v curl >/dev/null 2>&1; then
      curl -fsSL "${SI_BASE_URL%/}/lib/${_si_lib}.sh" -o "${_si_tmp}/${_si_lib}.sh"
    else
      wget -qO "${_si_tmp}/${_si_lib}.sh" "${SI_BASE_URL%/}/lib/${_si_lib}.sh"
    fi
    source "${_si_tmp}/${_si_lib}.sh"
  done
  unset _si_lib _si_tmp
fi
# --- end preamble ------------------------------------------------------------

TMUX_REV=3

si_banner "core/tmux"
si_distro_detect
si_pkgmap_load

if si_state_has tmux "$TMUX_REV" && si_have_cmd tmux; then
  si_log "tmux already initialized (rev ${TMUX_REV}), skipping"
  exit 0
fi

si_pkg_install tmux

_home=$(si_target_home)
si_deploy_file config/tmux/osc52-copy.sh "${_home}/.config/tmux/osc52-copy.sh"
chmod +x "${_home}/.config/tmux/osc52-copy.sh"
si_chown_target "${_home}/.config/tmux/osc52-copy.sh"
si_backup_existing "${_home}/.tmux.conf"
si_deploy_file config/tmux/tmux.conf "${_home}/.tmux.conf"

si_state_mark tmux "$TMUX_REV"
si_log "tmux $(tmux -V | cut -d' ' -f2) ready, config at ${_home}/.tmux.conf"