package xvdoc

import (
	"bytes"
	"encoding/json"
	"fmt"
)

type Row struct {
	oy      int
	x       int
	y       int
	offsetY bool
	offsetX bool
	cells   []Cell
	style   string
	styles  []string
	height  float64
}

func (s *Row) UnmarshalJSON(src []byte) (err error) {
	s.y = -1
	dec := json.NewDecoder(bytes.NewReader(src))
	var t json.Token
	for dec.More() && err == nil {
		if t, err = dec.Token(); err == nil {
			if _, check := t.(json.Delim); !check {
				switch t.(string) {
				case "ox":
					err = dec.Decode(&s.oy)
					s.offsetX = true
				case "oy":
					err = dec.Decode(&s.oy)
					s.offsetY = true
				case "x":
					err = dec.Decode(&s.x)
				case "y":
					err = dec.Decode(&s.y)
				case "cells":
					s.cells, err = parseCells(dec)
				case "height":
					err = dec.Decode(&s.height)
				case "style":
					err = dec.Decode(&s.style)
				case "styles":
					err = dec.Decode(&s.styles)
				default:
					dec.Decode(new(interface{}))
				}
			}
		}
	}
	return
}

func (s *Row) String() (res string) {
	res = fmt.Sprintf("{\n  x: %v\n  y: %v\n  oy: %v\n  offsetY: %v\n  cells: %v\n}", s.x, s.y, s.oy, s.offsetY, s.cells)
	return
}

func (s *Row) IsCustomHeight() bool {
	return s.height > 0
}

func (s *Row) Height() float64 {
	return s.height
}

func (s *Row) Styles() (res []string) {
	if len(s.styles) > 0 {
		res = s.styles
	} else if len(s.style) > 0 {
		res = []string{s.style}
	}
	return
}