package main

//
// OONI Run
//

import (
	"context"
	"encoding/json"
	"errors"
	"os"

	"github.com/ooni/probe-cli/v3/internal/engine"
	"github.com/ooni/probe-cli/v3/internal/oonirun"
)

// ooniRunMain runs the experiments described by the given OONI Run URLs. This
// function works with both v1 and v2 OONI Run URLs.
func ooniRunMain(ctx context.Context,
	sess *engine.Session, currentOptions *Options, annotations map[string]string) {
	logger := sess.Logger()
	cfg := &oonirun.LinkConfig{
		AcceptChanges: currentOptions.Yes,
		Annotations:   annotations,
		KVStore:       sess.KeyValueStore(),
		MaxRuntime:    currentOptions.MaxRuntime,
		NoCollector:   currentOptions.NoCollector,
		NoJSON:        currentOptions.NoJSON,
		Random:        currentOptions.Random,
		ReportFile:    currentOptions.ReportFile,
		Session:       sess,
	}
	for _, URL := range currentOptions.Inputs {
		r := oonirun.NewLinkRunner(cfg, URL)
		if err := r.Run(ctx); err != nil {
			if errors.Is(err, oonirun.ErrNeedToAcceptChanges) {
				logger.Warnf("oonirun: to accept these changes, rerun adding `-y` to the command line")
				logger.Warnf("oonirun: we'll show this error every time the upstream link changes")
				panic("oonirun: need to accept changes using `-y`")
			}
			logger.Warnf("oonirun: running link failed: %s", err.Error())
			continue
		}
	}
	for _, filename := range currentOptions.InputFilePaths {
		data, err := os.ReadFile(filename)
		if err != nil {
			logger.Warnf("oonirun: reading OONI Run v2 descriptor failed: %s", err.Error())
			continue
		}
		var descr oonirun.V2Descriptor
		if err := json.Unmarshal(data, &descr); err != nil {
			logger.Warnf("oonirun: parsing OONI Run v2 descriptor failed: %s", err.Error())
			continue
		}
		if err := oonirun.V2MeasureDescriptor(ctx, cfg, &descr); err != nil {
			logger.Warnf("oonirun: running link failed: %s", err.Error())
			continue
		}
	}
}