// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package presentation

import (
	"strings"

	"git.stormux.org/storm/cthulhu/internal/atspi"
)

// Normalize only the presentation copy. Native names remain coordinates for
// ownership and diagnostics. Orca's soffice generator speaks contents first,
// then the coordinate; an empty Text value is a blank cell, not a missing name.
func libreOfficeFocusSnapshot(snapshot atspi.Snapshot, options Options) atspi.Snapshot {
	context := snapshot.LibreOffice
	if !atspi.IsLibreOfficeProcess(snapshot.ApplicationProcess) ||
		context == nil || !context.InSpreadsheet {
		return snapshot
	}
	if snapshot.Role == "table" {
		// Orca omits table size for spreadsheets. These dimensions describe
		// the sheet capacity, not the populated data.
		snapshot.TableRowCount, snapshot.TableColumnCount = 0, 0
		snapshot.Multiselectable, snapshot.SensitiveKnown = false, false
		return snapshot
	}
	if context.CellEditor && snapshot.Role == "paragraph" {
		snapshot.Role = ""
		snapshot.SensitiveKnown = false
		return snapshot
	}
	if snapshot.Role != "table cell" || !context.Cell {
		return snapshot
	}
	snapshot.Name = strings.TrimSpace(context.CellText)
	snapshot.Text = context.Coordinates
	// Calc cell formatting in Orca omits container selection capabilities
	// and insensitive-state chatter; these bits are not cell availability.
	snapshot.Multiselectable = false
	snapshot.SensitiveKnown = false
	if reading_options(options).OnlySpeakDisplayedText {
		snapshot.Text = ""
		return snapshot
	}
	if snapshot.Name == "" {
		snapshot.Name = "blank"
	}
	return snapshot
}

// LibreOfficeCellFormula limits Office presentation to verified Calc cells.
func LibreOfficeCellFormula(snapshot atspi.Snapshot) string {
	context := snapshot.LibreOffice
	if !atspi.IsLibreOfficeProcess(snapshot.ApplicationProcess) || snapshot.Defunct ||
		snapshot.Role != "table cell" || context == nil || !context.InSpreadsheet || !context.Cell {
		return ""
	}
	return context.Formula
}

// LibreOfficeFormulaText follows Orca's explicit formula command: non-formula
// cells report their value, including "empty" when there is no value.
func LibreOfficeFormulaText(snapshot atspi.Snapshot) string {
	context := snapshot.LibreOffice
	if !atspi.IsLibreOfficeProcess(snapshot.ApplicationProcess) || snapshot.Defunct ||
		snapshot.Role != "table cell" || context == nil || !context.InSpreadsheet || !context.Cell {
		return "Not in a table."
	}
	if formula := LibreOfficeCellFormula(snapshot); formula != "" {
		return formula
	}
	if strings.TrimSpace(context.CellText) != "" {
		return context.CellText
	}
	return "empty"
}