// Copyright 2023 Woodpecker Authors
//
// 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 runtime

import (
	"context"

	"github.com/oklog/ulid/v2"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"

	backend "go.woodpecker-ci.org/woodpecker/v3/pipeline/backend/types"
	"go.woodpecker-ci.org/woodpecker/v3/pipeline/logging"
	"go.woodpecker-ci.org/woodpecker/v3/pipeline/tracing"
)

// Runtime represents a workflow state executed by a specific backend.
// Each workflow gets its own state configuration at runtime.
type Runtime struct {
	err     error
	spec    *backend.Config
	engine  backend.Backend
	started int64

	// The context a workflow is being executed with.
	// All normal (non cleanup) operations must use this.
	// Cleanup operations should use the runnerCtx passed to Run()
	ctx context.Context

	tracer tracing.Tracer
	logger logging.Logger

	taskUUID string

	Description map[string]string // The runtime descriptors.
}

// New returns a new runtime using the specified runtime
// configuration and runtime engine.
func New(spec *backend.Config, opts ...Option) *Runtime {
	r := new(Runtime)
	r.Description = map[string]string{}
	r.spec = spec
	r.ctx = context.Background()
	r.taskUUID = ulid.Make().String()
	for _, opts := range opts {
		opts(r)
	}
	return r
}

func (r *Runtime) MakeLogger() zerolog.Logger {
	logCtx := log.With()
	for key, val := range r.Description {
		logCtx = logCtx.Str(key, val)
	}
	return logCtx.Logger()
}