package repository

import (
	"context"

	libmongo "apps/backend/internal/lib/mongo"
	"apps/backend/internal/module/studio/domain"

	"github.com/zeromicro/go-zero/core/stores/mon"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo/options"
)

type MonStore struct {
	personas *mon.Model
	active   *mon.Model
	plays    *mon.Model
	outbox   *mon.Model
	ownPosts *mon.Model
	mentions *mon.Model
	syncMeta *mon.Model
}

func NewMonStore(uri, database string) *MonStore {
	uri = libmongo.MustMongoURI(uri)
	return &MonStore{
		personas: mon.MustNewModel(uri, database, "studio_personas"),
		active:   mon.MustNewModel(uri, database, "studio_active_persona"),
		plays:    mon.MustNewModel(uri, database, "studio_plays"),
		outbox:   mon.MustNewModel(uri, database, "studio_outbox"),
		ownPosts: mon.MustNewModel(uri, database, "studio_own_posts"),
		mentions: mon.MustNewModel(uri, database, "studio_mentions"),
		syncMeta: mon.MustNewModel(uri, database, "studio_sync_meta"),
	}
}

func (s *MonStore) SavePersona(ctx context.Context, p *domain.Persona) error {
	_, err := s.personas.ReplaceOne(ctx, bson.M{"_id": p.ID}, p, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) GetPersona(ctx context.Context, id string) (*domain.Persona, error) {
	var p domain.Persona
	err := s.personas.FindOne(ctx, &p, bson.M{"_id": id})
	if err != nil {
		if err == mon.ErrNotFound {
			return nil, domain.ErrNotFound
		}
		return nil, err
	}
	return &p, nil
}

func (s *MonStore) ListPersonas(ctx context.Context, ownerUID int64) ([]*domain.Persona, error) {
	var list []*domain.Persona
	err := s.personas.Find(ctx, &list, bson.M{"owner_uid": ownerUID},
		options.Find().SetSort(bson.D{{Key: "updated_at", Value: -1}}))
	return list, err
}

func (s *MonStore) DeletePersona(ctx context.Context, id string) error {
	res, err := s.personas.DeleteOne(ctx, bson.M{"_id": id})
	if err != nil {
		return err
	}
	if res == 0 {
		return domain.ErrNotFound
	}
	return nil
}

func (s *MonStore) GetActivePersonaID(ctx context.Context, ownerUID int64) (string, error) {
	var a domain.ActivePersona
	err := s.active.FindOne(ctx, &a, bson.M{"_id": ownerUID})
	if err != nil {
		if err == mon.ErrNotFound {
			return "", nil
		}
		return "", err
	}
	return a.PersonaID, nil
}

func (s *MonStore) SetActivePersonaID(ctx context.Context, ownerUID int64, personaID string) error {
	doc := &domain.ActivePersona{OwnerUID: ownerUID, PersonaID: personaID, UpdatedAt: domain.NowNano()}
	_, err := s.active.ReplaceOne(ctx, bson.M{"_id": ownerUID}, doc, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) SavePlay(ctx context.Context, p *domain.Play) error {
	_, err := s.plays.ReplaceOne(ctx, bson.M{"_id": p.ID}, p, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) GetPlay(ctx context.Context, id string) (*domain.Play, error) {
	var p domain.Play
	err := s.plays.FindOne(ctx, &p, bson.M{"_id": id})
	if err != nil {
		if err == mon.ErrNotFound {
			return nil, domain.ErrNotFound
		}
		return nil, err
	}
	return &p, nil
}

func (s *MonStore) ListPlays(ctx context.Context, ownerUID int64) ([]*domain.Play, error) {
	var list []*domain.Play
	err := s.plays.Find(ctx, &list, bson.M{"owner_uid": ownerUID},
		options.Find().SetSort(bson.D{{Key: "updated_at", Value: -1}}))
	return list, err
}

func (s *MonStore) DeletePlay(ctx context.Context, id string) error {
	res, err := s.plays.DeleteOne(ctx, bson.M{"_id": id})
	if err != nil {
		return err
	}
	if res == 0 {
		return domain.ErrNotFound
	}
	return nil
}

func (s *MonStore) SaveOutbox(ctx context.Context, b *domain.OutboxBundle) error {
	_, err := s.outbox.ReplaceOne(ctx, bson.M{"_id": b.ID}, b, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) GetOutbox(ctx context.Context, id string) (*domain.OutboxBundle, error) {
	var b domain.OutboxBundle
	err := s.outbox.FindOne(ctx, &b, bson.M{"_id": id})
	if err != nil {
		if err == mon.ErrNotFound {
			return nil, domain.ErrNotFound
		}
		return nil, err
	}
	return &b, nil
}

func (s *MonStore) ListOutbox(ctx context.Context, ownerUID int64) ([]*domain.OutboxBundle, error) {
	var list []*domain.OutboxBundle
	err := s.outbox.Find(ctx, &list, bson.M{"owner_uid": ownerUID},
		options.Find().SetSort(bson.D{{Key: "updated_at", Value: -1}}))
	return list, err
}

func (s *MonStore) DeleteOutbox(ctx context.Context, id string) error {
	res, err := s.outbox.DeleteOne(ctx, bson.M{"_id": id})
	if err != nil {
		return err
	}
	if res == 0 {
		return domain.ErrNotFound
	}
	return nil
}

func (s *MonStore) ListAllOutbox(ctx context.Context) ([]*domain.OutboxBundle, error) {
	var list []*domain.OutboxBundle
	err := s.outbox.Find(ctx, &list, bson.M{}, options.Find().SetLimit(500))
	return list, err
}

func (s *MonStore) SaveOwnPost(ctx context.Context, p *domain.OwnPost) error {
	_, err := s.ownPosts.ReplaceOne(ctx, bson.M{"_id": p.ID}, p, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) GetOwnPost(ctx context.Context, id string) (*domain.OwnPost, error) {
	var p domain.OwnPost
	err := s.ownPosts.FindOne(ctx, &p, bson.M{"_id": id})
	if err != nil {
		if err == mon.ErrNotFound {
			return nil, domain.ErrNotFound
		}
		return nil, err
	}
	return &p, nil
}

func (s *MonStore) ListOwnPosts(ctx context.Context, ownerUID int64, accountID string) ([]*domain.OwnPost, error) {
	filter := bson.M{"owner_uid": ownerUID}
	if accountID != "" {
		filter["account_id"] = accountID
	}
	var list []*domain.OwnPost
	err := s.ownPosts.Find(ctx, &list, filter,
		options.Find().SetSort(bson.D{{Key: "published_at", Value: -1}}))
	return list, err
}

func (s *MonStore) DeleteOwnPost(ctx context.Context, id string) error {
	_, err := s.ownPosts.DeleteOne(ctx, bson.M{"_id": id})
	return err
}

func (s *MonStore) GetSyncMeta(ctx context.Context, ownerUID int64) (*domain.SyncMeta, error) {
	var m domain.SyncMeta
	err := s.syncMeta.FindOne(ctx, &m, bson.M{"_id": ownerUID})
	if err != nil {
		if err == mon.ErrNotFound {
			return &domain.SyncMeta{OwnerUID: ownerUID}, nil
		}
		return nil, err
	}
	return &m, nil
}

func (s *MonStore) SetSyncMeta(ctx context.Context, m *domain.SyncMeta) error {
	_, err := s.syncMeta.ReplaceOne(ctx, bson.M{"_id": m.OwnerUID}, m, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) SaveMention(ctx context.Context, m *domain.Mention) error {
	_, err := s.mentions.ReplaceOne(ctx, bson.M{"_id": m.ID}, m, options.Replace().SetUpsert(true))
	return err
}

func (s *MonStore) GetMention(ctx context.Context, id string) (*domain.Mention, error) {
	var m domain.Mention
	err := s.mentions.FindOne(ctx, &m, bson.M{"_id": id})
	if err != nil {
		if err == mon.ErrNotFound {
			return nil, domain.ErrNotFound
		}
		return nil, err
	}
	return &m, nil
}

func (s *MonStore) ListMentions(ctx context.Context, ownerUID int64, accountID string) ([]*domain.Mention, error) {
	filter := bson.M{"owner_uid": ownerUID}
	if accountID != "" {
		filter["account_id"] = accountID
	}
	var list []*domain.Mention
	err := s.mentions.Find(ctx, &list, filter,
		options.Find().SetSort(bson.D{{Key: "created_at", Value: -1}}))
	return list, err
}

var _ domain.Repository = (*MonStore)(nil)