/*
Copyright 2025-2026 linux.do

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package worker

import (
	"context"
	"time"

	"github.com/linux-do/credit/internal/logger"
	"go.opentelemetry.io/otel/trace"

	"github.com/hibiken/asynq"
	"github.com/linux-do/credit/internal/otel_trace"
	"go.opentelemetry.io/otel/attribute"
	"go.opentelemetry.io/otel/codes"
)

// taskLoggingMiddleware 记录任务日志中间件
func taskLoggingMiddleware(h asynq.Handler) asynq.Handler {
	return asynq.HandlerFunc(func(ctx context.Context, t *asynq.Task) error {
		// 初始化 Trace
		ctx, span := otel_trace.Start(ctx, "TaskProcess_"+t.Type(), trace.WithSpanKind(trace.SpanKindConsumer))
		defer span.End()

		// 添加任务信息到 Span
		span.SetAttributes(
			attribute.String("task.type", t.Type()),
			attribute.Int("task.payload_size", len(t.Payload())),
			attribute.String("task.id", t.ResultWriter().TaskID()),
		)

		// 开始计时
		start := time.Now()

		// 处理任务
		err := h.ProcessTask(ctx, t)

		// 计算耗时
		latency := time.Since(start)

		if err != nil {
			// 处理出错，记录错误日志
			logger.ErrorF(
				ctx,
				"[TaskMiddleware] 任务处理失败 Type: %s\nStartTime: %s\nLatency: %d ms\nError: %v",
				t.Type(),
				start.Format(time.RFC3339),
				latency.Milliseconds(),
				err,
			)

			// 设置 Span 错误状态
			span.SetStatus(codes.Error, err.Error())
			span.RecordError(err)
			return err
		}

		// 处理成功，记录成功日志
		logger.InfoF(
			ctx,
			"[TaskMiddleware] 任务处理完成 Type: %s\nStartTime: %s\nEndTime: %s\nLatency: %d ms",
			t.Type(),
			start.Format(time.RFC3339),
			time.Now().Format(time.RFC3339),
			latency.Milliseconds(),
		)

		return nil
	})
}