package mysql

import (
	"context"
	"database/sql"
	"errors"

	"hyapp/pkg/appcode"
	taskdomain "hyapp/services/activity-service/internal/domain/task"
)

func (r *Repository) GetActiveTaskRewardAssetType(ctx context.Context, nowMS int64) (string, bool, error) {
	row := r.db.QueryRowContext(ctx, `
		SELECT reward_asset_type
		FROM task_reward_policy_instances
		WHERE app_code = ? AND status = 'active'
		ORDER BY published_at_ms DESC, instance_code DESC
		LIMIT 1`,
		appcode.FromContext(ctx),
	)
	var assetType string
	if err := row.Scan(&assetType); err != nil {
		if errors.Is(err, sql.ErrNoRows) {
			return "", false, nil
		}
		return "", false, err
	}
	return assetType, true, nil
}

func (r *Repository) PublishTaskRewardPolicy(ctx context.Context, command taskdomain.RewardPolicyCommand, nowMS int64) error {
	_, err := r.db.ExecContext(ctx, `
		INSERT INTO task_reward_policy_instances (
		  app_code, instance_code, template_code, template_version, status,
		  reward_asset_type, rule_json, published_by_admin_id, published_at_ms,
		  created_at_ms, updated_at_ms
		) VALUES (?, ?, ?, ?, ?, ?, CAST(? AS JSON), ?, ?, ?, ?)
		ON DUPLICATE KEY UPDATE
		  template_code = VALUES(template_code),
		  template_version = VALUES(template_version),
		  status = VALUES(status),
		  reward_asset_type = VALUES(reward_asset_type),
		  rule_json = VALUES(rule_json),
		  published_by_admin_id = VALUES(published_by_admin_id),
		  published_at_ms = VALUES(published_at_ms),
		  updated_at_ms = VALUES(updated_at_ms)`,
		appcode.FromContext(ctx),
		command.InstanceCode,
		command.TemplateCode,
		command.TemplateVersion,
		command.Status,
		command.RewardAssetType,
		command.RuleJSON,
		command.OperatorAdminID,
		command.PublishedAtMS,
		nowMS,
		nowMS,
	)
	return err
}