package wmo

import (
	"context"
	"errors"
	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
)

func (c *Coll[TData]) FindOne(ctx context.Context, filter bson.M) (TData, error) {
	mongoRes := c.coll.FindOne(ctx, filter)
	if err := mongoRes.Err(); err != nil {
		return *new(TData), exerr.Wrap(err, "mongo-query[find-one] failed").
			Str("collection", c.Name()).
			Any("filter", filter).
			Build()
	}

	return c.decodeSingle(ctx, mongoRes)
}

func (c *Coll[TData]) FindOneOpt(ctx context.Context, filter bson.M) (*TData, error) {
	mongoRes := c.coll.FindOne(ctx, filter)

	res, err := c.decodeSingle(ctx, mongoRes)
	if errors.Is(err, mongo.ErrNoDocuments) {
		return nil, nil
	}
	if err != nil {
		return nil, exerr.Wrap(err, "mongo-query[find-one-opt] failed").Any("filter", filter).Str("collection", c.Name()).Build()
	}

	return &res, nil
}

func (c *Coll[TData]) FindOneByID(ctx context.Context, id EntityID) (TData, error) {
	mongoRes := c.coll.FindOne(ctx, bson.M{"_id": id})
	if err := mongoRes.Err(); err != nil {
		return *new(TData), exerr.Wrap(err, "mongo-query[find-one-by-id] failed").
			Str("collection", c.Name()).
			Id("id", id).
			Build()
	}

	return c.decodeSingle(ctx, mongoRes)
}

func (c *Coll[TData]) FindOneOptByID(ctx context.Context, id EntityID) (*TData, error) {
	mongoRes := c.coll.FindOne(ctx, bson.M{"_id": id})

	res, err := c.decodeSingle(ctx, mongoRes)
	if errors.Is(err, mongo.ErrNoDocuments) {
		return nil, nil
	}
	if err != nil {
		return nil, exerr.Wrap(err, "mongo-query[find-one-opt-by-id] failed").Id("id", id).Str("collection", c.Name()).Build()
	}

	return &res, nil
}

func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
	cursor, err := c.coll.Find(ctx, filter, opts...)
	if err != nil {
		return nil, exerr.Wrap(err, "mongo-query[find-one-opt] failed").Any("filter", filter).Any("opts", opts).Str("collection", c.Name()).Build()
	}

	res, err := c.decodeAll(ctx, cursor)
	if err != nil {
		return nil, exerr.Wrap(err, "failed to decode values").Build()
	}

	return res, nil
}