package lsp

import (
	"config-lsp/common"
	sshconfig "config-lsp/handlers/ssh_config"
	"config-lsp/handlers/ssh_config/handlers"

	"github.com/tliron/glsp"
	protocol "github.com/tliron/glsp/protocol_3_16"
)

func TextDocumentHover(
	context *glsp.Context,
	params *protocol.HoverParams,
) (*protocol.Hover, error) {
	line := params.Position.Line
	index := common.LSPCharacterAsIndexPosition(params.Position.Character)

	d := sshconfig.DocumentParserMap[params.TextDocument.URI]

	option, _ := d.Config.FindOption(line)

	if option == nil || option.Key == nil {
		// Empty line
		return nil, nil
	}

	return handlers.GetHoverInfoForOption(
		option,
		line,
		index,
	)
}