package common

import (
	"encoding/json"
	"fmt"
	"sort"
	"strconv"
)

type CurrencyWarsTrailblazeGood struct {
	ID     uint32   `json:"id"`
	Kind   string   `json:"kind"`
	Cost   uint32   `json:"cost"`
	Father uint32   `json:"father"`
	Params []uint32 `json:"params"`
}

type CurrencyWarsTrailblazeCatalog struct {
	Goods         map[uint32]CurrencyWarsTrailblazeGood
	GoodsList     []CurrencyWarsTrailblazeGood
	LayerParams   map[uint32][]uint32
	PomThreshold  uint32
	InitialGoodID uint32
	RefreshGoodID uint32
	PomGoodID     uint32
}

func LoadCurrencyWarsTrailblaze() (*CurrencyWarsTrailblazeCatalog, error) {
	raw, err := ReadResourceFile("resources/CurrencyWarsTrailblaze.json")
	if err != nil {
		return nil, err
	}
	var r struct {
		Goods        []CurrencyWarsTrailblazeGood `json:"goods"`
		LayerParams  map[string][]uint32          `json:"layer_params"`
		PomThreshold uint32                       `json:"pom_threshold"`
		InitialGood  uint32                       `json:"initial_goods_id"`
		RefreshGood  uint32                       `json:"refresh_goods_id"`
		PomGood      uint32                       `json:"pom_goods_id"`
	}
	if err = json.Unmarshal(raw, &r); err != nil {
		return nil, fmt.Errorf("unmarshal CurrencyWarsTrailblaze: %w", err)
	}

	cat := &CurrencyWarsTrailblazeCatalog{
		Goods:         make(map[uint32]CurrencyWarsTrailblazeGood, len(r.Goods)),
		GoodsList:     r.Goods,
		LayerParams:   make(map[uint32][]uint32, len(r.LayerParams)),
		PomThreshold:  r.PomThreshold,
		InitialGoodID: r.InitialGood,
		RefreshGoodID: r.RefreshGood,
		PomGoodID:     r.PomGood,
	}
	if cat.InitialGoodID == 0 {
		cat.InitialGoodID = 101
	}
	if cat.RefreshGoodID == 0 {
		cat.RefreshGoodID = 999
	}
	if cat.PomGoodID == 0 {
		cat.PomGoodID = 507
	}
	if cat.PomThreshold == 0 {
		cat.PomThreshold = 300
	}

	for _, g := range r.Goods {
		cat.Goods[g.ID] = g
	}

	for k, v := range r.LayerParams {
		layer, err := strconv.ParseUint(k, 10, 32)
		if err == nil {
			cat.LayerParams[uint32(layer)] = v
		}
	}

	sort.Slice(cat.GoodsList, func(i, j int) bool {
		return cat.GoodsList[i].ID < cat.GoodsList[j].ID
	})

	return cat, nil
}

func (c *CurrencyWarsTrailblazeCatalog) Tier(layer uint32) uint32 {
	if params, ok := c.LayerParams[layer]; ok && len(params) > 0 {
		return params[0]
	}
	return 1
}

func (c *CurrencyWarsTrailblazeCatalog) Income(layer uint32) uint32 {
	if params, ok := c.LayerParams[layer]; ok && len(params) > 1 {
		return params[1]
	}
	return 0
}