package controller

import (
	"slices"

	e "github.com/iliadenisov/galaxy/internal/error"

	"github.com/iliadenisov/galaxy/internal/model/game"
)

// func (c *Cache) CmdRelation(hostRace, opponentRace string) (game.RaceRelation, error) {
// 	ri, err := c.raceIndex(hostRace)
// 	if err != nil {
// 		return game.RaceRelation{}, err
// 	}
// 	other, err := c.raceIndex(opponentRace)
// 	if err != nil {
// 		return game.RaceRelation{}, err
// 	}
// 		if ri == other {
// 		return game.RaceRelation{
// 			RaceID:   c.g.Race[ri].ID,
// 			Relation: game.RelationPeace,
// 		}, nil
// 	}
// 	rel := slices.IndexFunc(c.g.Race[ri].Relations, func(r game.RaceRelation) bool { return r.RaceID == c.g.Race[other].ID })
// 	if rel < 0 {
// 		return game.RaceRelation{}, e.NewGameStateError("Relation: opponent not found")
// 	}
// 	return c.g.Race[ri].Relations[rel], nil

// 	// return g.relationInternal(ri, other)
// }

func (c *Cache) UpdateRelation(race, opponent string, rel game.Relation) error {
	r1, err := c.raceIndex(race)
	if err != nil {
		return err
	}
	var r2 int
	if race == opponent {
		r2 = r1
	} else if r2, err = c.raceIndex(opponent); err != nil {
		return err
	}
	if err != nil {
		return err
	}
	if r2 == r1 {
		return nil
	}
	for o := range c.g.Race[r1].Relations {
		if c.g.Race[r1].Relations[o].RaceID == c.g.Race[r2].ID {
			c.g.Race[r1].Relations[o].Relation = rel
			if c.cacheRelation != nil {
				c.updateRelationCache(r1, r2, rel)
			}
			return nil
		}
		// switch {
		// case r1 == r2:
		// 	c.g.Race[r1].Relations[o].Relation = rel
		// case c.g.Race[r1].Relations[o].RaceID == c.g.Race[r2].ID:
		// 	c.g.Race[r1].Relations[o].Relation = rel
		// 	return nil
		// }
	}
	return e.NewGameStateError("UpdateRelation: opponent not found")
	// if r1 != r2 {
	// 	return e.NewGameStateError("UpdateRelation: opponent not found")
	// }
	// return nil
	// return g.updateRelationInternal(ri, other, rel)
}

func (c *Cache) raceIndex(name string) (int, error) {
	i := slices.IndexFunc(c.g.Race, func(r game.Race) bool { return r.Name == name })
	if i < 0 {
		return i, e.NewRaceUnknownError(name)
	}
	return i, nil
}