#!/usr/bin/env bash
# args_json: {"type":"object","required":["action"],"properties":{"action":{"type":"string","description":"list|trigger|get|set"},"component":{"type":"string","description":"Component name (e.g. kwin)"},"shortcut":{"type":"string","description":"Shortcut name"},"keys":{"type":"string","description":"Key binding (for set)"}}}
# ollie:prompt
# ## gui_shortcuts
#
# Manage KDE global shortcuts.
#
# **Args**: `[action, component, shortcut, keys]`
# - Actions: `list`, `trigger`, `get`, `set`
#
# ```
# gui_shortcuts(action="list")
# gui_shortcuts(action="trigger", component="kwin", shortcut="Window Close")
# ```
# ollie:end
set -euo pipefail

SERVICE="org.kde.kglobalaccel"
OBJ_PATH="/kglobalaccel"
IFACE="org.kde.KGlobalAccel"

# Also component interface
COMP_OBJ="/component"
COMP_IFACE="org.kde.kglobalaccel.Component"

source "$(dirname "$0")/_lib/args.sh"

cmd=$(arg_get "action" "list")
component=$(arg_get "component" "")
shortcut_name=$(arg_get "shortcut" "")
keys=$(arg_get "keys" "")

case "$cmd" in
    list)
        # List all registered shortcut components
        components=$(gdbus call --session --dest "$SERVICE" \
            --object-path "$OBJ_PATH" \
            --method "$IFACE.allComponents" 2>/dev/null | \
            sed "s/^(\[//;s/\],)$//;s/'//g;s/, /\n/g")

        if [ -z "$components" ]; then
            echo "ERROR: KGlobalAccel not responding" >&2
            exit 1
        fi

        if [ -n "$component" ]; then
            # List shortcuts for specific component
            comp="$component"
            echo "# Shortcuts for: $comp"
            gdbus call --session --dest "$SERVICE" \
                --object-path "/component/$comp" \
                --method "$COMP_IFACE.shortcutNames" 2>/dev/null | \
                sed "s/^(\[//;s/\],)$//;s/'//g;s/, /\n/g"
        else
            echo "$components"
        fi
        ;;
    get)
        # Get key binding for a shortcut
        if [ $# -lt 2 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        comp="$component"
        if [ $# -lt 3 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        name="${3}"

        gdbus call --session --dest "$SERVICE" \
            --object-path "$OBJ_PATH" \
            --method "$IFACE.shortcut" \
            "['$comp', '$name', '', '']" 2>/dev/null
        ;;
    trigger)
        # Trigger (invoke) a global shortcut by component/name
        if [ $# -lt 2 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        comp="$component"
        if [ $# -lt 3 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        name="${3}"

        # First get the shortcut keys, then simulate them
        # Or use the invokeShortcut method if available
        gdbus call --session --dest "$SERVICE" \
            --object-path "/component/$comp" \
            --method "$COMP_IFACE.invokeShortcut" "$name" 2>/dev/null && {
            echo "triggered: $comp/$name"
            exit 0
        }

        echo "ERROR: could not trigger $comp/$name" >&2
        exit 1
        ;;
    set)
        # Set key binding for a shortcut
        if [ $# -lt 2 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        comp="$component"
        if [ $# -lt 3 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        name="${3}"
        if [ $# -lt 4 ]; then echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}'; exit 1; fi
        keys="${4}"

        gdbus call --session --dest "$SERVICE" \
            --object-path "$OBJ_PATH" \
            --method "$IFACE.setShortcut" \
            "['$comp', '$name', '', '']" \
            "[['$keys']]" 0 2>/dev/null && {
            echo "set: $comp/$name = $keys"
            exit 0
        }

        echo "ERROR: could not set shortcut" >&2
        exit 1
        ;;
    *)
        echo '{"schema": {"type": "array", "items": [{"name": "action", "type": "string", "description": "list|get|trigger|set", "required": true}, {"name": "component", "type": "string", "description": "Component name (for get/trigger/set)", "required": false}, {"name": "shortcut", "type": "string", "description": "Shortcut name (for get/trigger/set)", "required": false}, {"name": "keys", "type": "string", "description": "Key combination (for set)", "required": false}], "examples": [["list"], ["get", "kwin", "switch window"], ["trigger", "kwin", "switch window"]]}}' >&2
        echo "" >&2
        echo "Examples:" >&2
        echo "  gui_shortcuts list                    - list all components" >&2
        echo "  gui_shortcuts list kwin               - list kwin shortcuts" >&2
        echo "  gui_shortcuts trigger kwin 'Walk Through Windows' - trigger Alt+Tab" >&2
        echo "  gui_shortcuts get kwin 'Walk Through Windows'" >&2
        exit 1
        ;;
esac