#!/usr/bin/env bash
# Stage 30 — deploy dotfiles into $HOME (backing up whatever was there).
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"

log "Deploying dotfiles"

require_not_root

CFG="${XDG_CONFIG_HOME:-$HOME/.config}"

# --- home-level files ------------------------------------------------------
install_file "$DOTFILES_DIR/xinitrc"    "$HOME/.xinitrc"    755
install_file "$DOTFILES_DIR/xprofile"   "$HOME/.xprofile"   644
install_file "$DOTFILES_DIR/Xresources" "$HOME/.Xresources" 644
install_file "$DOTFILES_DIR/gtkrc-2.0"  "$HOME/.gtkrc-2.0"  644

# --- ~/.config/* -----------------------------------------------------------
# Copy each tracked file individually so untracked files the user added
# (e.g. their own polybar module) survive a re-run.
while IFS= read -r -d '' src; do
  rel="${src#"$DOTFILES_DIR"/config/}"
  install_file "$src" "$CFG/$rel" 644
done < <(find "$DOTFILES_DIR/config" -type f -print0)

# --- executables -----------------------------------------------------------
step "installing helper scripts to ~/.local/bin"
run mkdir -p "$HOME/.local/bin"
while IFS= read -r -d '' src; do
  install_file "$src" "$HOME/.local/bin/$(basename "$src")" 755
done < <(find "$DOTFILES_DIR/local/bin" -type f -print0)

# Scripts inside ~/.config need the exec bit too
for s in "$CFG/polybar/launch.sh" "$CFG/rofi/scripts/powermenu.sh"; do
  [[ -f "$s" ]] && run chmod 755 "$s"
done
if [[ -d "$CFG/i3/scripts" ]]; then
  run find "$CFG/i3/scripts" -type f -name '*.sh' -exec chmod 755 {} +
fi

# --- user-owned override directories (never overwritten) -------------------
run mkdir -p "$CFG/i3/config.d"
# The include glob in the main config must match at least one file, otherwise
# i3 complains on every reload — so ship a comment-only placeholder.
if [[ ! -f "$CFG/i3/config.d/00-local.conf" && "$DRY_RUN" != "1" ]]; then
  cat > "$CFG/i3/config.d/00-local.conf" <<'TXT'
# Personal i3 overrides.
#
# Every *.conf in this directory is included at the very END of
# ~/.config/i3/config, so anything you put here wins over the defaults:
# re-binding a key here silently replaces the earlier bindsym.
#
# This directory is never overwritten by the arch-i3 installer.
#
# Examples:
#   bindsym $mod+Shift+b exec --no-startup-id firefox
#   gaps inner 12
#   for_window [class="Spotify"] move to workspace $ws9
TXT
fi

# --- wallpapers ------------------------------------------------------------
step "generating wallpapers"
if [[ "$DRY_RUN" == "1" ]]; then
  skip "would generate wallpapers into $WALLPAPER_DIR"
else
  mkdir -p "$WALLPAPER_DIR"
  # Prefer any images the user dropped into the repo's wallpapers/ dir
  shopt -s nullglob
  repo_walls=("$REPO_ROOT"/wallpapers/*.{png,jpg,jpeg,webp})
  shopt -u nullglob
  if [[ ${#repo_walls[@]} -gt 0 ]]; then
    cp -n "${repo_walls[@]}" "$WALLPAPER_DIR/" || true
    ok "copied ${#repo_walls[@]} wallpaper(s) from the repo"
  fi
  # Generate the Catppuccin set if the directory is still (nearly) empty
  if [[ $(find "$WALLPAPER_DIR" -maxdepth 1 -type f | wc -l) -lt 2 ]]; then
    # pipefail would turn a missing/failing xrandr into a stage abort
    geom=""
    if have xrandr; then
      geom="$(xrandr --query 2>/dev/null | awk '/\*/{print $1; exit}' || true)"
    fi
    "$REPO_ROOT/scripts/make-wallpaper.sh" "$WALLPAPER_DIR" "${geom:-2560x1440}" \
      || warn "wallpaper generation failed (ImageMagick missing?)"
  fi
fi

# --- default applications --------------------------------------------------
step "setting default applications"
if [[ "$DRY_RUN" != "1" ]] && have xdg-mime; then
  xdg-mime default thunar.desktop inode/directory 2>/dev/null || true
  xdg-settings set default-web-browser firefox.desktop 2>/dev/null || true
fi

if [[ -d "$BACKUP_DIR" ]]; then
  warn "previous configs were moved to: $(tildify "$BACKUP_DIR")"
fi

ok "dotfiles deployed"