#!/bin/sh
# install.sh - deploy openbsd-dots to $HOME
# downloads suckless sources, applies patches, copies configs, builds everything
# run from the repo root as your normal user (doas used internally where needed)

set -e

DOTS="$(cd "$(dirname "$0")" && pwd)"
SRC="$HOME/src"

die()     { echo "error: $1" >&2; exit 1; }
confirm() { printf "%s [y/N] " "$1"; read ans; case "$ans" in y|Y) return 0 ;; *) return 1 ;; esac }
backup()  { [ -f "$1" ] && cp "$1" "$1.bak" && echo "backed up $1"; }

# ftp is OpenBSD's built-in HTTP(S) fetcher
fetch() {
    url="$1"; out="$2"
    echo "  fetch $out..."
    ftp -o "$out" "$url" 2>&1 || die "failed to fetch $url"
}

echo "openbsd-dots installer"
echo "1) download + build suckless sources"
echo "2) install dotfiles (~/.profile, ~/.shrc, ~/.vimrc)"
echo ""
confirm "continue?" || exit 0

# ---------------------------------------------------------------------------
# 1. sources
# ---------------------------------------------------------------------------

mkdir -p "$SRC"

# tarballs to fetch: "name url" pairs
TARBALLS="
libgrapheme-3.0.0  https://codemadness.org/releases/libgrapheme/libgrapheme-3.0.0.tar.gz
dwm-6.8            https://dl.suckless.org/dwm/dwm-6.8.tar.gz
st-0.9.3           https://dl.suckless.org/st/st-0.9.3.tar.gz
dmenu-5.4          https://dl.suckless.org/tools/dmenu-5.4.tar.gz
slock-1.6          https://dl.suckless.org/tools/slock-1.6.tar.gz
surf-2.1           https://dl.suckless.org/surf/surf-2.1.tar.gz
tabbed-0.9         https://dl.suckless.org/tools/tabbed-0.9.tar.gz
ii-2.0             https://dl.suckless.org/tools/ii-2.0.tar.gz
lchat-1.0          https://codemadness.org/releases/lchat/lchat-1.0.tar.gz
"

echo ""
echo "==> downloading sources to $SRC..."
echo "$TARBALLS" | while read name url; do
    [ -z "$name" ] && continue
    dir="$SRC/$name"
    tarball="$SRC/$name.tar.gz"
    if [ -d "$dir" ]; then
        echo "  skip $name (already exists)"
        continue
    fi
    fetch "$url" "$tarball"
    tar -xzf "$tarball" -C "$SRC"
    rm "$tarball"
    echo "  extracted $name"
done

# beastie: clone from forgejo
if [ ! -d "$SRC/beastie" ]; then
    echo "  cloning beastie..."
    git clone https://git.blockblitz.dev/beastie-fetch/beastie "$SRC/beastie"
else
    echo "  skip beastie (already exists)"
fi

# ---------------------------------------------------------------------------
# 2. apply patches
# ---------------------------------------------------------------------------

echo ""
echo "==> applying patches..."

apply_patches() {
    tool="$1"; dir="$2"; patchdir="$DOTS/patches/$tool"
    [ -d "$patchdir" ] || return 0
    for patch in "$patchdir"/*.diff; do
        [ -f "$patch" ] || continue
        name="$(basename "$patch")"
        echo "  [$tool] $name"
        patch -d "$dir" -p1 < "$patch" || echo "  WARNING: $name failed - may need manual review"
    done
}

apply_patches dwm   "$SRC/dwm-6.8"
apply_patches st    "$SRC/st-0.9.3"
apply_patches dmenu "$SRC/dmenu-5.4"
apply_patches slock "$SRC/slock-1.6"
apply_patches surf  "$SRC/surf-2.1"

# ---------------------------------------------------------------------------
# 3. install ported config.h files
# ---------------------------------------------------------------------------

echo ""
echo "==> installing config.h files..."

install_config() {
    src="$DOTS/$1"; dst="$2/config.h"
    [ -f "$src" ] || { echo "  skip $1 (not in dots)"; return; }
    cp "$src" "$dst" && echo "  $1 -> $dst"
}

install_config dwm-config.h   "$SRC/dwm-6.8"
install_config st-config.h    "$SRC/st-0.9.3"
install_config dmenu-config.h "$SRC/dmenu-5.4"

# ---------------------------------------------------------------------------
# 4. build and install via install-all.sh
# ---------------------------------------------------------------------------

echo ""
echo "==> running install-all.sh..."
if [ -f "$SRC/install-all.sh" ]; then
    sh "$SRC/install-all.sh"
else
    echo "  $SRC/install-all.sh not found - skipping build"
    echo "  clone your dotfiles/src repo or copy install-all.sh manually"
fi

# ---------------------------------------------------------------------------
# 5. dotfiles
# ---------------------------------------------------------------------------

echo ""
echo "==> installing dotfiles..."
backup "$HOME/.profile"; cp "$DOTS/profile" "$HOME/.profile" && echo "  .profile"
backup "$HOME/.shrc";    cp "$DOTS/shrc"    "$HOME/.shrc"    && echo "  .shrc"
backup "$HOME/.vimrc";   cp "$DOTS/vimrc"   "$HOME/.vimrc"   && echo "  .vimrc"

echo ""
echo "==> done."
echo ""
echo "notes:"
echo "  - super+v opens st instead of rexima (no equivalent on OpenBSD)"
echo "  - volume keys use sndioctl output.level=+/-0.05"
echo "  - X starts from /dev/ttyC0 (wscons)"
echo "  - install scientifica font:  pkg_add scientifica"
echo "  - build warnings for surf are normal -- webkit deps may differ"
echo "  - slock needs suid:  doas chmod u+s /usr/local/bin/slock"