package sheets

import (
	"fmt"
	"strconv"
)

// CellString renders a cell read with UNFORMATTED_VALUE as text.
// Numeric cells arrive as float64; fmt.Sprint would print large ones in
// exponent form ("2.609767878e+09"), which corrupts identifiers such as VS
// or Bank ID. Mirrors get_str in legacy/scripts/match_payments.py.
func CellString(v any) string {
	switch x := v.(type) {
	case nil:
		return ""
	case string:
		return x
	case float64:
		return strconv.FormatFloat(x, 'f', -1, 64)
	}
	return fmt.Sprint(v)
}

// TextCell marks s to be stored as text when written with USER_ENTERED:
// a leading apostrophe stops Sheets from parsing digits as a number (which
// would drop leading zeros). The apostrophe is not part of the stored value.
// Empty stays empty. Mirrors as_text_cell in legacy/scripts/sync_fio_to_sheets.py.
func TextCell(s string) string {
	if s == "" {
		return ""
	}
	return "'" + s
}