package game

import (
	"fmt"
	"time"

	"thehouseoficarus/internal/net"
	"thehouseoficarus/internal/object"
	"thehouseoficarus/internal/player"
)

func (g *Game) doEat(sess *net.Session, input string) {
	p := sess.Player.(*player.Player)

	if input == "" {
		sess.WriteLine("Eat what?")
		return
	}

	qty, itemName := parseQty(input)
	_ = qty

	matches := g.findInventoryMatches(itemName, p)
	if len(matches) == 0 {
		sess.WriteLine(fmt.Sprintf("You don't have any '%s'.", itemName))
		return
	}

	unique := uniqueItemNames(matches)
	if len(unique) > 1 {
		sess.WriteLine("Which one?")
		for _, name := range unique {
			sess.WriteLine(fmt.Sprintf("  - %s", name))
		}
		return
	}

	itemID := matches[0].ID
	def, _ := g.ItemStore.Load(itemID)

	if def == nil || def.EatMessage == "" {
		sess.WriteLine("You can't eat that.")
		return
	}

	if p.ConsumeCooldown > 0 {
		sess.WriteLine("You're still digesting your last meal.")
		return
	}

	g.cancelRest(p.Name)

	if p.Action == nil && len(p.WalkSequence) == 0 {
		g.doEatNow(sess, p, itemID, def)
		return
	}

	g.CancelAction(p)

	g.consumeQueue[p.Name] = &QueuedCommand{
		Session:   sess,
		Command:   "eat",
		Args:      itemID,
		Timestamp: time.Now(),
	}

	if !p.OptionBool("queue_silently") {
		sess.WriteLine(fmt.Sprintf("\nYou prepare to eat %s.", g.itemColorize(sess, def, def.Name)))
	}
}

func (g *Game) doEatNow(sess *net.Session, p *player.Player, itemID string, def *object.ItemDef) {
	if def == nil {
		var err error
		def, err = g.ItemStore.Load(itemID)
		if err != nil || def.EatMessage == "" {
			return
		}
	}

	p.RemoveItem(itemID, 1)

	p.HP += def.HealValue
	maxHP := p.MaxHP()
	if p.HP > maxHP {
		p.HP = maxHP
	}
	if p.HP < 0 {
		p.HP = 0
	}

	if def.HealValue != 0 {
		p.StartRegen()
	}

	p.ConsumeCooldown = 3
	g.AccountStore.SaveCharacter(p)

	p.ActionState = &ActionState{Type: ActionEating, TargetName: def.Name}

	sess.WriteLine(g.colorize(sess, "eat_food", def.EatMessage))

	if p.HP <= 0 {
		g.endCombat(sess, p, nil)
	}
}

func (g *Game) processConsumeQueue(p *player.Player, sess *net.Session) bool {
	qc, ok := g.consumeQueue[p.Name]
	if !ok {
		return false
	}
	delete(g.consumeQueue, p.Name)

	itemID := qc.Args
	def, err := g.ItemStore.Load(itemID)
	if err != nil || def.EatMessage == "" {
		return false
	}

	if p.ConsumeCooldown > 0 {
		return false
	}

	if !p.HasItem(itemID) {
		sess.WriteLine("You no longer have that to eat.")
		return false
	}

	g.doEatNow(sess, p, itemID, def)
	return true
}