Name:           sl-display-mirror
Version:        1.0.0
Release:        1%{?dist}
Summary:        Smart multi-display mirroring script for Niri

License:        MIT
URL:            https://slsrepo.com
BuildArch:      noarch

Requires:       bash
Requires:       niri
Requires:       jq
Requires:       wl-mirror
Requires:       fuzzel
Requires:       util-linux
Requires:       procps-ng

%description
Smart multi-display mirroring script for Niri.

%prep
# No external source. Script is generated from the spec, matching the Arch PKGBUILD.

%build
cat > sl-display-mirror <<'EOF'
#!/usr/bin/env bash

# Toggle Switch
if pgrep -x "wl-mirror" >/dev/null; then
    killall -q wl-mirror
    exit 0
fi

# Clean Niri's temporary sockets
unset WAYLAND_SOCKET
unset XDG_ACTIVATION_TOKEN
unset DESKTOP_STARTUP_ID

# Identify displays dynamically
SOURCE=$(niri msg --json focused-output | jq -r .name)

# Read all other outputs into an array
mapfile -t EXTERNAL_DISPLAYS < <(niri msg --json outputs | jq -r --arg src "$SOURCE" 'keys[] | select(. != $src)')
NUM_EXT=${#EXTERNAL_DISPLAYS[@]}

TARGETS=()

if [ "$NUM_EXT" -eq 0 ]; then
    echo "FAILED: No external display detected."
    exit 1
elif [ "$NUM_EXT" -eq 1 ]; then
    # Exactly one external display, skip the menu
    TARGETS=("${EXTERNAL_DISPLAYS[0]}")
else
    # Loop to allow selecting multiple monitors with Fuzzel
    AVAILABLE=("${EXTERNAL_DISPLAYS[@]}")

    while [ ${#AVAILABLE[@]} -gt 0 ]; do
        # Add "Done" to the top of the list
        CHOICE=$(printf "%%s\n" "Done" "${AVAILABLE[@]}" | fuzzel --dmenu -p 'Mirror to (Select Done to finish):')

        # Exit the loop if the user hits escape, closes the menu, or selects "Done"
        if [[ -z "$CHOICE" || "$CHOICE" == "Done" ]]; then
            break
        fi

        # Add selection to targets
        TARGETS+=("$CHOICE")

        # Remove the chosen display from the available list so it can't be picked twice
        NEW_AVAILABLE=()
        for disp in "${AVAILABLE[@]}"; do
            if [[ "$disp" != "$CHOICE" ]]; then
                NEW_AVAILABLE+=("$disp")
            fi
        done
        AVAILABLE=("${NEW_AVAILABLE[@]}")
    done
fi

# If user cancelled out of the menu without picking anything, exit gracefully
if [ ${#TARGETS[@]} -eq 0 ]; then
    echo "No displays selected. Exiting."
    exit 0
fi

# Loop through targets and launch wl-mirror
for TARGET in "${TARGETS[@]}"; do
    niri msg action focus-monitor "$TARGET"
    script -q -c "wl-mirror -S $SOURCE" /dev/null &
    sleep 0.3
done

# Return the mouse cursor back to the original display
niri msg action focus-monitor "$SOURCE"

# Keep the script alive for the toggle switch
wait
EOF

%install
install -Dm755 sl-display-mirror %{buildroot}%{_bindir}/sl-display-mirror

%files
%{_bindir}/sl-display-mirror

%changelog
* Sat Jun 20 2026 Sl (Shahaf Levi) <arch@slsrepo.com> - 1.0.0-1
- Initial COPR package for Slash