#!/usr/bin/env fish

# Set default REPOTOOL_PATH if not already set
if not set -q REPOTOOL_PATH
    set -gx REPOTOOL_PATH "$HOME/repo"
end

function _activate_hook
    set -l hook_name $argv[1]
    set -l response $argv[2]
    
    if test -f "$REPOTOOL_PATH/.hooks/$hook_name.fish"
        source "$REPOTOOL_PATH/.hooks/$hook_name.fish" $response
        return 0
    else if test -f "$REPOTOOL_PATH/.hooks/$hook_name.sh"
        source "$REPOTOOL_PATH/.hooks/$hook_name.sh" $response
        return 0
    else if test -f "$REPOTOOL_PATH/.hooks/$hook_name"
        source "$REPOTOOL_PATH/.hooks/$hook_name" $response
        return 0
    end
    
    return 1
end

function _parse_json
    set -l response $argv[1]
    set -l key $argv[2]
    echo "$response" | jq -r ".$key"
end

function _handle_response
    set -l response $argv[1]
    
    # Validate JSON
    if not echo "$response" | jq . >/dev/null 2>&1
        # Not valid JSON, write to stderr
        echo "$response" >&2
        return
    end
    
    # Check if response has an echo field
    set -l echo_msg (echo "$response" | jq -r '.echo // empty')
    if test -n "$echo_msg"
        echo "$echo_msg"
    end
    
    # Get hook name from response
    set -l hook_name (echo "$response" | jq -r '.hook // empty')
    
    # Handle before hook if hook name is provided
    if test -n "$hook_name"
        _activate_hook "before_{$hook_name}_cd" "$response"
    end
    
    # Check if response has a cd field
    set -l cd_path (echo "$response" | jq -r '.cd // empty')
    if test -n "$cd_path"
        cd "$cd_path"
    end
    
    # Handle after hook if hook name is provided
    if test -n "$hook_name"
        _activate_hook "after_{$hook_name}_cd" "$response"
    end
end

set TOOL_BIN "$REPOTOOL_PATH/.bin/repotool"

# Pass all arguments to repotool and handle response
set -l response ($TOOL_BIN $argv)
set -l exit_code $status

if test $exit_code -ne 0
    echo "Command failed with exit code $exit_code" >&2
    return $exit_code
end

_handle_response "$response"