package formation

// Cell returns one cell by row col index
// row is from 1, col is from 1
// If idx is over range, auto fix with symbols of 0
// compatible with reel's range is not equals to matrix's form
func Cell(row, col int64, symbols []int64, form []int64) int64 {
	pos := Coords{row - 1, col - 1}.ToPos(form)
	if pos >= int64(len(symbols)) {
		return 0
	}
	return symbols[pos]
}

// FormatSymbols distribute symbols into form
func FormatSymbols(symbols []int64, form []int64) [][]int64 {
	formattedSymbols := make([][]int64, 0)
	for col, sz := range form {
		colSymbols := make([]int64, 0)
		for row := 0; row < int(sz); row++ {
			colSymbols = append(colSymbols, Cell(int64(row)+1, int64(col)+1, symbols, form))
		}
		formattedSymbols = append(formattedSymbols, colSymbols)
	}
	return formattedSymbols
}

// DeformatSymbols puts symbols together
func DeformatSymbols(symbols [][]int64) []int64 {
	deformattedSymbols := make([]int64, 0)
	for _, colSymbols := range symbols {
		deformattedSymbols = append(deformattedSymbols, colSymbols...)
	}
	return deformattedSymbols
}