package events

import (
	"context"
	"sync"

	"eq2emu/internal/entity"
	"eq2emu/internal/quests"
	"eq2emu/internal/spawn"
)

// EventType represents different types of events
type EventType int

const (
	EventTypeSpell EventType = iota
	EventTypeSpawn
	EventTypeQuest
	EventTypeCombat
	EventTypeZone
	EventTypeItem
)

func (et EventType) String() string {
	switch et {
	case EventTypeSpell:
		return "spell"
	case EventTypeSpawn:
		return "spawn"
	case EventTypeQuest:
		return "quest"
	case EventTypeCombat:
		return "combat"
	case EventTypeZone:
		return "zone"
	case EventTypeItem:
		return "item"
	default:
		return "unknown"
	}
}

// EventContext provides context for event handling
type EventContext struct {
	// Core context
	Context context.Context

	// Event information
	EventType    EventType
	EventName    string
	FunctionName string

	// Game objects (nil if not applicable)
	Caster *entity.Entity
	Target *entity.Entity
	Spawn  *spawn.Spawn
	Quest  *quests.Quest

	// Parameters and results
	Parameters map[string]any
	Results    map[string]any

	// Synchronization
	mutex sync.RWMutex
}

// EventFunction represents a callable event function
type EventFunction func(ctx *EventContext) error

// EventHandler manages event registration and execution
type EventHandler struct {
	events map[string]EventFunction
	mutex  sync.RWMutex
}

// EventLogger provides logging for events
type EventLogger interface {
	Debug(msg string, args ...any)
	Info(msg string, args ...any)
	Warn(msg string, args ...any)
	Error(msg string, args ...any)
}