-- name: CreateProcessingJob :one
INSERT INTO processing_jobs (
  company_id, user_id, status, total_products, processing_type, priority, estimated_tokens
) VALUES ($1, $2, $3, $4, $5, $6, $7)
RETURNING *;

-- name: GetProcessingJob :one
SELECT * FROM processing_jobs
WHERE id = $1 AND company_id = $2
LIMIT 1;

-- name: ListProcessingJobs :many
SELECT * FROM processing_jobs
WHERE company_id = $1
ORDER BY created_at DESC
LIMIT $2;

-- name: UpdateProcessingJobStatus :one
UPDATE processing_jobs
SET status = $2,
    processed_products = COALESCE($3, processed_products),
    error = COALESCE($4, error),
    started_at = COALESCE($5, started_at),
    completed_at = COALESCE($6, completed_at),
    updated_at = now()
WHERE id = $1
RETURNING *;

-- name: CancelProcessingJob :one
UPDATE processing_jobs
SET status = 'cancelled', completed_at = now(), updated_at = now()
WHERE id = $1 AND company_id = $2 AND status IN ('pending', 'running')
RETURNING *;

-- name: CreateProcessingJobProduct :one
INSERT INTO processing_job_products (job_id, raw_product_id, status)
VALUES ($1, $2, $3)
RETURNING *;

-- name: ListPendingJobProducts :many
SELECT * FROM processing_job_products
WHERE job_id = $1 AND status = 'pending'
ORDER BY created_at
LIMIT $2;

-- name: UpdateJobProductStatus :one
UPDATE processing_job_products
SET status = $2, error = $3, processed_product_id = $4, updated_at = now()
WHERE id = $1
RETURNING *;

-- name: ClaimNextPendingJob :one
UPDATE processing_jobs
SET status = 'running', started_at = now(), updated_at = now()
WHERE id = (
  SELECT id FROM processing_jobs
  WHERE status = 'pending'
  ORDER BY priority DESC, created_at
  LIMIT 1
  FOR UPDATE SKIP LOCKED
)
RETURNING *;