install.sh

#!/bin/sh
# csvfab installer for Linux and macOS — per user, no root needed.
#
#   curl -fsSL https://raw.githubusercontent.com/fabiochelly/csvfab/main/install.sh | sh
#   ./install.sh                 from a checkout or an unpacked release
#   sh install.sh --uninstall    removes the app (your settings are kept)
#
# Environment: CSVFAB_VERSION=1.2.3 installs that release instead of the latest.
set -eu

REPO="${CSVFAB_REPO:-fabiochelly/csvfab}"
VERSION="${CSVFAB_VERSION:-latest}"
DATA="${XDG_DATA_HOME:-$HOME/.local/share}"
DEST="$DATA/csvfab"
BIN="$HOME/.local/bin"
OS=$(uname -s)

say()  { printf '\033[1;34m==>\033[0m %s\n' "$*"; }
warn() { printf '\033[1;33mwarning:\033[0m %s\n' "$*" >&2; }
die()  { printf '\033[1;31merror:\033[0m %s\n' "$*" >&2; exit 1; }

uninstall() {
    say "Removing csvfab"
    rm -rf "$DEST" "$BIN/csvfab" "$DATA/applications/csvfab.desktop" "$HOME/Applications/csvfab.app"
    for s in 16 24 32 48 64 128 256 512; do rm -f "$DATA/icons/hicolor/${s}x${s}/apps/csvfab.png"; done
    rm -f "$DATA/icons/hicolor/scalable/apps/csvfab.svg"
    command -v update-desktop-database >/dev/null 2>&1 && update-desktop-database -q "$DATA/applications" || true
    say "Done. Settings and the browser profile stay in your state folder."
    exit 0
}
[ "${1:-}" = "--uninstall" ] && uninstall

# --- requirements -----------------------------------------------------------
command -v python3 >/dev/null 2>&1 || die "Python 3 is required (3.8 or newer)."
python3 -c 'import sys; sys.exit(sys.version_info < (3, 8))' || die "Python 3.8 or newer is required."

browser=""
if [ "$OS" = Darwin ]; then
    for a in "Google Chrome" Chromium "Brave Browser" "Microsoft Edge"; do
        [ -d "/Applications/$a.app" ] || [ -d "$HOME/Applications/$a.app" ] && { browser="$a"; break; }
    done
else
    for b in chromium brave brave-browser google-chrome-stable google-chrome chrome microsoft-edge; do
        command -v "$b" >/dev/null 2>&1 && { browser="$b"; break; }
    done
fi
[ -n "$browser" ] || warn "No Chromium-based browser found (Chrome, Chromium, Brave or Edge): csvfab needs one to open its window."

# --- sources: this folder, or the release archive ---------------------------
SRC=""
# $0 is the script's path from a checkout ("./install.sh", "sh install.sh"), "sh" under curl | sh.
if [ -f "$0" ]; then d=$(cd "$(dirname "$0")" && pwd); [ -f "$d/csvfab.py" ] && [ -f "$d/viewer.htm" ] && SRC="$d"; fi
if [ -z "$SRC" ]; then
    command -v curl >/dev/null 2>&1 || die "curl is required to download csvfab."
    TMP=$(mktemp -d); trap 'rm -rf "$TMP"' EXIT
    if [ "$VERSION" = latest ]; then URL="https://github.com/$REPO/releases/latest/download/csvfab.tar.gz"
    else URL="https://github.com/$REPO/releases/download/v$VERSION/csvfab-$VERSION.tar.gz"; fi
    say "Downloading $URL"
    curl -fsSL "$URL" | tar -xz -C "$TMP" || die "download failed"
    SRC="$TMP/csvfab"
fi

# --- install ----------------------------------------------------------------
say "Installing into $DEST"
rm -rf "$DEST"
mkdir -p "$DEST/icons" "$BIN"
for f in csvfab.py server.py viewer.htm papaparse.min.js LICENSE; do cp "$SRC/$f" "$DEST/"; done
cp "$SRC"/icons/csvfab.svg "$SRC"/icons/csvfab-*.png "$DEST/icons/"
cp -R "$SRC/ui" "$DEST/ui"                     # the interface: styles and scripts
cp -R "$SRC/bridge" "$DEST/bridge"             # the local server's code (server.py is its entry point)
rm -rf "$DEST/bridge"/__pycache__ "$DEST/bridge"/*/__pycache__   # a checkout's compiled files: rebuilt on first run
chmod 755 "$DEST/csvfab.py"
ln -sf "$DEST/csvfab.py" "$BIN/csvfab"          # the command is "csvfab"; the file keeps its .py

if [ "$OS" = Darwin ]; then
    # csvfab.app in ~/Applications: a real bundle (an AppleScript applet, since the
    # Finder hands files to an app as Apple Events), self-contained, listed in
    # "Open with" for CSV files; macos/build-app.sh registers it with Launch Services.
    mkdir -p "$HOME/Applications"
    sh "$SRC/macos/build-app.sh" "$SRC" "$HOME/Applications" >/dev/null && say "csvfab.app in ~/Applications" \
        || warn "the app bundle could not be built (osacompile): 'csvfab' works from the terminal all the same"
    # The default app for CSV files is the user's choice: asked here (on the terminal,
    # even under curl | sh), done with duti when it is there, shown otherwise.
    if [ -d "$HOME/Applications/csvfab.app" ] && [ -r /dev/tty ]; then
        printf 'Make csvfab the default app for CSV files? [y/N] '; read -r ans < /dev/tty || ans=
        case "$ans" in
            [yY]*)
                if command -v duti >/dev/null 2>&1; then
                    for u in public.comma-separated-values-text public.tab-separated-values-text; do duti -s io.github.fabiochelly.csvfab "$u" all; done
                    say "Done: CSV and TSV files open with csvfab."
                else
                    warn "duti is not installed (brew install duti). By hand: select a .csv, File > Get Info > Open with > csvfab > Change All."
                fi ;;
        esac
    fi
else
    mkdir -p "$DATA/applications"
    # Absolute Exec: a session started outside a login shell may not have ~/.local/bin on its PATH.
    sed "s|^Exec=csvfab|Exec=$DEST/csvfab.py|" "$SRC/csvfab.desktop" > "$DATA/applications/csvfab.desktop"
    for s in 16 24 32 48 64 128 256 512; do
        mkdir -p "$DATA/icons/hicolor/${s}x${s}/apps"
        cp "$SRC/icons/csvfab-$s.png" "$DATA/icons/hicolor/${s}x${s}/apps/csvfab.png"
    done
    mkdir -p "$DATA/icons/hicolor/scalable/apps"
    cp "$SRC/icons/csvfab.svg" "$DATA/icons/hicolor/scalable/apps/csvfab.svg"
    command -v update-desktop-database >/dev/null 2>&1 && update-desktop-database -q "$DATA/applications" || true
    command -v gtk-update-icon-cache >/dev/null 2>&1 && gtk-update-icon-cache -q -t "$DATA/icons/hicolor" 2>/dev/null || true
fi

case ":$PATH:" in *":$BIN:"*) ;; *) warn "$BIN is not on your PATH: add it to run 'csvfab' from a terminal." ;; esac
say "csvfab $(python3 "$DEST/csvfab.py" --version | cut -d' ' -f2) installed. Run: csvfab [file.csv]"