// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.17.2
// source: products.sql

package db

import (
	"context"
	"database/sql"

	"github.com/google/uuid"
)

const createProduct = `-- name: CreateProduct :one
INSERT INTO products (
  merchant_id, 
  name,
  selling_price,
  purchase_price,
  stock
) VALUES (
  $1, $2, $3, $4, $5
)
RETURNING id, merchant_id, index_id, name, selling_price, purchase_price, stock, created_at, updated_at
`

type CreateProductParams struct {
	MerchantID    uuid.UUID `json:"merchant_id"`
	Name          string    `json:"name"`
	SellingPrice  float64   `json:"selling_price"`
	PurchasePrice float64   `json:"purchase_price"`
	Stock         float64   `json:"stock"`
}

func (q *Queries) CreateProduct(ctx context.Context, arg CreateProductParams) (Product, error) {
	row := q.db.QueryRowContext(ctx, createProduct,
		arg.MerchantID,
		arg.Name,
		arg.SellingPrice,
		arg.PurchasePrice,
		arg.Stock,
	)
	var i Product
	err := row.Scan(
		&i.ID,
		&i.MerchantID,
		&i.IndexID,
		&i.Name,
		&i.SellingPrice,
		&i.PurchasePrice,
		&i.Stock,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const deleteProduct = `-- name: DeleteProduct :exec
DELETE FROM products WHERE id = $1
`

func (q *Queries) DeleteProduct(ctx context.Context, id uuid.UUID) error {
	_, err := q.db.ExecContext(ctx, deleteProduct, id)
	return err
}

const getProduct = `-- name: GetProduct :one
SELECT id, merchant_id, index_id, name, selling_price, purchase_price, stock, created_at, updated_at FROM products
WHERE id = $1
`

func (q *Queries) GetProduct(ctx context.Context, id uuid.UUID) (Product, error) {
	row := q.db.QueryRowContext(ctx, getProduct, id)
	var i Product
	err := row.Scan(
		&i.ID,
		&i.MerchantID,
		&i.IndexID,
		&i.Name,
		&i.SellingPrice,
		&i.PurchasePrice,
		&i.Stock,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const getStockForUpdateStock = `-- name: GetStockForUpdateStock :one
SELECT id, merchant_id, index_id, name, selling_price, purchase_price, stock, created_at, updated_at FROM products
WHERE id = $1 
LIMIT 1
FOR NO KEY UPDATE
`

func (q *Queries) GetStockForUpdateStock(ctx context.Context, id uuid.UUID) (Product, error) {
	row := q.db.QueryRowContext(ctx, getStockForUpdateStock, id)
	var i Product
	err := row.Scan(
		&i.ID,
		&i.MerchantID,
		&i.IndexID,
		&i.Name,
		&i.SellingPrice,
		&i.PurchasePrice,
		&i.Stock,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const listProducts = `-- name: ListProducts :many
SELECT id, merchant_id, index_id, name, selling_price, purchase_price, stock, created_at, updated_at FROM products
WHERE merchant_id = $1
ORDER BY index_id
LIMIT $2
OFFSET $3
`

type ListProductsParams struct {
	MerchantID uuid.UUID `json:"merchant_id"`
	Limit      int32     `json:"limit"`
	Offset     int32     `json:"offset"`
}

func (q *Queries) ListProducts(ctx context.Context, arg ListProductsParams) ([]Product, error) {
	rows, err := q.db.QueryContext(ctx, listProducts, arg.MerchantID, arg.Limit, arg.Offset)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	items := []Product{}
	for rows.Next() {
		var i Product
		if err := rows.Scan(
			&i.ID,
			&i.MerchantID,
			&i.IndexID,
			&i.Name,
			&i.SellingPrice,
			&i.PurchasePrice,
			&i.Stock,
			&i.CreatedAt,
			&i.UpdatedAt,
		); err != nil {
			return nil, err
		}
		items = append(items, i)
	}
	if err := rows.Close(); err != nil {
		return nil, err
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	return items, nil
}

const updateProduct = `-- name: UpdateProduct :one
UPDATE products
SET name = $2, selling_price = $3, purchase_price = $4, updated_at = $5
WHERE id = $1
RETURNING id, merchant_id, index_id, name, selling_price, purchase_price, stock, created_at, updated_at
`

type UpdateProductParams struct {
	ID            uuid.UUID    `json:"id"`
	Name          string       `json:"name"`
	SellingPrice  float64      `json:"selling_price"`
	PurchasePrice float64      `json:"purchase_price"`
	UpdatedAt     sql.NullTime `json:"updated_at"`
}

func (q *Queries) UpdateProduct(ctx context.Context, arg UpdateProductParams) (Product, error) {
	row := q.db.QueryRowContext(ctx, updateProduct,
		arg.ID,
		arg.Name,
		arg.SellingPrice,
		arg.PurchasePrice,
		arg.UpdatedAt,
	)
	var i Product
	err := row.Scan(
		&i.ID,
		&i.MerchantID,
		&i.IndexID,
		&i.Name,
		&i.SellingPrice,
		&i.PurchasePrice,
		&i.Stock,
		&i.CreatedAt,
		&i.UpdatedAt,
	)
	return i, err
}

const updateProductStock = `-- name: UpdateProductStock :exec
UPDATE products   
SET stock = $1
WHERE id = $2
`

type UpdateProductStockParams struct {
	Stock float64   `json:"stock"`
	ID    uuid.UUID `json:"id"`
}

func (q *Queries) UpdateProductStock(ctx context.Context, arg UpdateProductStockParams) error {
	_, err := q.db.ExecContext(ctx, updateProductStock, arg.Stock, arg.ID)
	return err
}