package mysql

import (
	"context"
	"strings"

	"github.com/pkg/errors"

	"github.com/usememos/memos/store"
)

func (d *DB) CreateActivity(ctx context.Context, create *store.Activity) (*store.Activity, error) {
	fields := []string{"`creator_id`", "`type`", "`level`", "`payload`"}
	placeholder := []string{"?", "?", "?", "?"}
	args := []any{create.CreatorID, create.Type, create.Level, create.Payload}

	if create.ID != 0 {
		fields = append(fields, "`id`")
		placeholder = append(placeholder, "?")
		args = append(args, create.ID)
	}

	if create.CreatedTs != 0 {
		fields = append(fields, "`created_ts`")
		placeholder = append(placeholder, "FROM_UNIXTIME(?)")
		args = append(args, create.CreatedTs)
	}

	stmt := "INSERT INTO activity (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ")"
	result, err := d.db.ExecContext(ctx, stmt, args...)
	if err != nil {
		return nil, errors.Wrap(err, "failed to execute statement")
	}

	id, err := result.LastInsertId()
	if err != nil {
		return nil, errors.Wrap(err, "failed to get last insert id")
	}

	return d.FindActivity(ctx, id)
}

func (d *DB) FindActivity(ctx context.Context, id int64) (*store.Activity, error) {
	var activity store.Activity
	stmt := "SELECT `id`, `creator_id`, `type`, `level`, `payload`, UNIX_TIMESTAMP(`created_ts`) FROM `activity` WHERE `id` = ?"
	if err := d.db.QueryRowContext(ctx, stmt, id).Scan(
		&activity.ID,
		&activity.CreatorID,
		&activity.Type,
		&activity.Level,
		&activity.Payload,
		&activity.CreatedTs,
	); err != nil {
		return nil, errors.Wrap(err, "failed to db.QueryRow")
	}

	return &activity, nil
}