package world

import "gitlab.com/beoran/woe/sitef"
import "gitlab.com/beoran/woe/monolog"
import "fmt"
import "errors"

type DamageKind string

const (
	DAMAGE_CUT        DamageKind = "cut"
	DAMAGE_CRUSH      DamageKind = "crush"
	DAMAGE_PIERCE     DamageKind = "pierce"
	DAMAGE_HEAT       DamageKind = "heat"
	DAMAGE_COLD       DamageKind = "cold"
	DAMAGE_SHOCK      DamageKind = "shock"
	DAMAGE_TOXIC      DamageKind = "toxic"
	DAMAGE_LASER      DamageKind = "laser"
	DAMAGE_BLAST      DamageKind = "blast"
	DAMAGE_TONE       DamageKind = "tone"
	DAMAGE_CORRUPTION DamageKind = "corruption"
	DAMAGE_ARCANE     DamageKind = "arcane"
	DAMAGE_HEAL       DamageKind = "heal"
	DAMAGE_REPAIR     DamageKind = "repair"
)

type ItemKind string

const (
	ITEM_MEDICINE ItemKind = "medicine"

	ITEM_CAP      ItemKind = "cap"
	ITEM_RIBBON   ItemKind = "ribbon"
	ITEM_HAT      ItemKind = "hat"
	ITEM_SCARF    ItemKind = "scarf"
	ITEM_CIRCLET  ItemKind = "circlet"
	ITEM_HEADGEAR ItemKind = "headgear"
	ITEM_CROWN    ItemKind = "crown"
	ITEM_HELMET   ItemKind = "helmet"

	ITEM_CAPE  ItemKind = "cape"
	ITEM_COAT  ItemKind = "coat"
	ITEM_ROBE  ItemKind = "robe"
	ITEM_VEST  ItemKind = "vest"
	ITEM_CHEST ItemKind = "chest"
	ITEM_SUIT  ItemKind = "suit"
	ITEM_ARMOR ItemKind = "armor"

	ITEM_SANDAL ItemKind = "sandal"
	ITEM_SHOE   ItemKind = "shoe"
	ITEM_BOOT   ItemKind = "boot"

	//not sure...
	ITEM_PANTS      ItemKind = "pants"
	ITEM_SKIRT      ItemKind = "skirt"
	ITEM_GREAVES    ItemKind = "greaves"
	ITEM_RING       ItemKind = "ring"
	ITEM_BRACELET   ItemKind = "bracelet"
	ITEM_ARMLET     ItemKind = "armlet"
	ITEM_SLEEVE     ItemKind = "sleeve"
	ITEM_PAULDRON   ItemKind = "pauldron"
	ITEM_GAUNTLET   ItemKind = "gauntlet"
	ITEM_NECKLACE   ItemKind = "necklace"
	ITEM_EARRING    ItemKind = "earring"
	ITEM_LAMP       ItemKind = "lamp"
	ITEM_FLASHLIGHT ItemKind = "flashlight"
	// sure again

	ITEM_SWORD     ItemKind = "sword"
	ITEM_TWOHANDER ItemKind = "twohander"
	ITEM_KNIFE     ItemKind = "knife"
	ITEM_DAGGER    ItemKind = "dagger"
	ITEM_GLOVE     ItemKind = "glove"
	ITEM_CLAW      ItemKind = "claw"
	ITEM_WAND      ItemKind = "wand"
	ITEM_STAFF     ItemKind = "staff"
	ITEM_FOCUS     ItemKind = "focus"

	// Not sure if these will be implemented.

	ITEM_AXE      ItemKind = "axe"
	ITEM_MAUL     ItemKind = "maul"
	ITEM_SPEAR    ItemKind = "spear"
	ITEM_NAGINATA ItemKind = "naginata"
	ITEM_BOW      ItemKind = "bow"
	ITEM_CROSSBOW ItemKind = "crossbow"
	ITEM_ARROW    ItemKind = "arrow"
	ITEM_BOLT     ItemKind = "bolt"

	// But these below are planned.

	ITEM_NEEDLER    ItemKind = "needler"
	ITEM_HANDGUN    ItemKind = "handgun"
	ITEM_LASERGUN   ItemKind = "lasergun"
	ITEM_MACHINEGUN ItemKind = "machinegun"
	ITEM_CANNON     ItemKind = "cannon"
	ITEM_BAZOOKA    ItemKind = "bazooka"

	ITEM_NEEDLE ItemKind = "needle"
	ITEM_BULLET ItemKind = "bullet"
	ITEM_CELL   ItemKind = "cell"
	ITEM_ROCKET ItemKind = "rocket"

	ITEM_EXPLOSIVE ItemKind = "explosive"
	ITEM_GRENADE   ItemKind = "grenade"
	ITEM_REPAIR    ItemKind = "repair"
	ITEM_ORE       ItemKind = "ore"
	ITEM_INGOT     ItemKind = "ingot"
	ITEM_METAL     ItemKind = "metal"
	ITEM_PLANT     ItemKind = "plant"
	ITEM_FRUIT     ItemKind = "fruit"
	ITEM_WOOD      ItemKind = "wood"
	ITEM_FOOD      ItemKind = "food"
	ITEM_TRAP      ItemKind = "trap"
	ITEM_HANDCUFFS ItemKind = "handcuffs"
	ITEM_CHEMICAL  ItemKind = "chemical"
	ITEM_FISH      ItemKind = "fish"
	ITEM_MEAT      ItemKind = "meat"
	ITEM_HIDE      ItemKind = "hide"
	ITEM_LEATHER   ItemKind = "leather"
	ITEM_FIBER     ItemKind = "fiber"
	ITEM_CLOTH     ItemKind = "cloth"
	ITEM_CERAMIC   ItemKind = "ceramic"
	ITEM_POLYMER   ItemKind = "polymer"

	// android parts
	// AGI, STR, CHA
	ITEM_LEGPARTS ItemKind = "legparts"
	// DEX, STR, CHA
	ITEM_ARMPARTS ItemKind = "armparts"
	// TOU, CHA
	ITEM_BODYPARTS ItemKind = "bodyparts"
	// INT, WIS, CHA
	ITEM_HEADPARTS ItemKind = "headparts"

	ITEM_ ItemKind = ""
)

type EquipWhere string

const (
	EQUIP_NONE     EquipWhere = "none"
	EQUIP_HEAD     EquipWhere = "head"
	EQUIP_TORSO    EquipWhere = "torso"
	EQUIP_OFFHAND  EquipWhere = "offhand"
	EQUIP_DOMINANT EquipWhere = "dominant"
	EQUIP_AMMO     EquipWhere = "ammo"
	EQUIP_FEET     EquipWhere = "feet"
	EQUIP_FOCUS    EquipWhere = "focus"
	EQUIP_PHONE    EquipWhere = "phone"

	EQUIP_GLOVES    EquipWhere = "gloves"
	EQUIP_NECK      EquipWhere = "neck"
	EQUIP_LEGS      EquipWhere = "legs"
	EQUIP_ARMS      EquipWhere = "arms"
	EQUIP_RIGHTRING EquipWhere = "rightring"
	EQUIP_LEFTRING  EquipWhere = "leftring"
	EQUIP_BELT      EquipWhere = "belt"
	EQUIP_LIGHT     EquipWhere = "light"
	EQUIP_          EquipWhere = ""
)

var EquipWhereList []EquipWhere = []EquipWhere{
	EQUIP_HEAD, EQUIP_TORSO, EQUIP_OFFHAND, EQUIP_DOMINANT,
	EQUIP_AMMO, EQUIP_FEET, EQUIP_FOCUS, EQUIP_PHONE,
	EQUIP_GLOVES, EQUIP_NECK, EQUIP_LEGS, EQUIP_ARMS,
	EQUIP_RIGHTRING, EQUIP_LEFTRING, EQUIP_BELT, EQUIP_LIGHT,
}

type Item struct {
	Entity
	Quality int
	Price   int
	Kind    ItemKind
	Damage  DamageKind
	// Equipment location,  "none" if not equippable
	Equip EquipWhere
	// Level of crafing skill needed to craft this, or of harvesting skill
	// to harvest this, or of mining skill to mine this. Negative if cannot
	// be crafted nor harvested, nor mined.
	Level int
	// Id's of ingredients to craft this item. Empty if it cannot be crafted.
	Ingredients []string
	// Id of item this item can be upgraded/enhanced to. empty or "none"
	// if it cannot be upgraded.
	Upgrade string
	// ID of item this item can degrade into. empty or "none" if cannot be
	// degraded.
	Degrade string
	// ID of technique/art/exploit this item teaches when used, empty or
	// none if it teaches nothing. If it's a skill, the XP of teaching is
	// determined by the Quality of the item.
	Teaches string
	// ID of skill needed to craft this item
	Craft string
}

// Load an item from a sitef file.
func LoadItem(dirname string, id string) (item *Item, err error) {

	path := SavePathFor(dirname, "item", id)

	records, err := sitef.ParseFilename(path)
	if err != nil {
		return nil, err
	}

	if len(records) < 1 {
		return nil, errors.New("No item found!")
	}

	record := records[0]
	monolog.Info("Loading Item record: %s %v", path, record)

	item = new(Item)
	item.Entity.LoadSitef(*record)
	item.Quality = record.GetIntDefault("quality", 0)
	item.Price = record.GetIntDefault("price", -1)
	item.Level = record.GetIntDefault("level", -1)
	item.Kind = ItemKind(record.Get("kind"))
	item.Damage = DamageKind(record.Get("damage"))
	item.Equip = EquipWhere(record.Get("equip"))
	item.Upgrade = record.Get("upgrade")
	item.Degrade = record.Get("degrade")
	item.Teaches = record.Get("teaches")
	item.Craft = record.Get("craft")

	ningredients := record.GetIntDefault("ingredients", 0)

	for i := 0; i < ningredients; i++ {
		ingr := record.GetArrayIndex("ingredients", i)
		item.Ingredients = append(item.Ingredients, ingr)
	}

	monolog.Info("Loaded Item: %s %v", path, item)
	return item, nil
}

type ItemPointer struct {
	ID   string
	item *Item
}

type Equipment struct {
	Equipped map[EquipWhere]*Item
}

func (me *Equipment) SaveSitef(rec sitef.Record) (err error) {
	for k, v := range me.Equipped {
		if v != nil {
			key := fmt.Sprintf("equipment[%s]", k)
			rec.Put(key, v.ID)
		}
	}
	return nil
}

func (me *Equipment) LoadSitef(rec sitef.Record, world *World, dirname string) (err error) {
	for k := range EquipWhereList {
		key := fmt.Sprintf("equipment[%s]", k)
		val, ok := rec.MayGet(key)
		if ok {
			item, err := world.LoadItem(val)
			if item != nil && err == nil {
				me.Equipped[EquipWhere(k)] = item
			}
		}
	}
	return nil
}