package store

import (
	"context"
	"time"
)

// AccountError is one concrete error recorded during an account's run —
// folder-level, message-level, or account-level (connect/login).
type AccountError struct {
	ID         int64     `json:"id"`
	AccountID  int64     `json:"account_id"`
	RunID      int64     `json:"run_id"`
	Kind       string    `json:"kind"` // folder | message | account
	Folder     string    `json:"folder"`
	MessageRef string    `json:"message_ref"`
	Error      string    `json:"error"`
	CreatedAt  time.Time `json:"created_at"`
}

// AddAccountError appends one error row for an account's current run.
func (s *Store) AddAccountError(ctx context.Context, accountID, runID int64, kind, folder, ref, msg string) error {
	_, err := s.Pool.Exec(ctx,
		`INSERT INTO account_errors (account_id, run_id, kind, folder, message_ref, error)
		 VALUES ($1,$2,$3,$4,$5,$6)`,
		accountID, runID, kind, folder, ref, msg)
	return err
}

// ClearAccountErrors removes an account's errors at the start of a run, so the
// list reflects only the current run (mirrors ResetAccountCounters).
func (s *Store) ClearAccountErrors(ctx context.Context, accountID int64) error {
	_, err := s.Pool.Exec(ctx, `DELETE FROM account_errors WHERE account_id=$1`, accountID)
	return err
}

// ListAccountErrors returns an account's errors in insertion order, for the
// per-account error modal.
func (s *Store) ListAccountErrors(ctx context.Context, accountID int64) ([]AccountError, error) {
	rows, err := s.Pool.Query(ctx,
		`SELECT id, account_id, run_id, kind, folder, message_ref, error, created_at
		 FROM account_errors WHERE account_id=$1 ORDER BY id`, accountID)
	if err != nil {
		return nil, err
	}
	defer rows.Close()
	out := []AccountError{}
	for rows.Next() {
		var e AccountError
		var runID *int64
		if err := rows.Scan(&e.ID, &e.AccountID, &runID, &e.Kind, &e.Folder,
			&e.MessageRef, &e.Error, &e.CreatedAt); err != nil {
			return nil, err
		}
		if runID != nil {
			e.RunID = *runID
		}
		out = append(out, e)
	}
	return out, rows.Err()
}