package seriatim

import (
	"context"
	"fmt"

	"gitea.maximumdirect.net/eric/notarius/internal/core/source"
	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
	"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
)

const Key = "seriatim"

const (
	DocumentKind = "transcript"
	UnitKind     = "transcript_segment"
	Format       = "application/vnd.seriatim.minimal+json"
)

var providedCapabilities = []string{
	"source.transcript",
	"transcript.speaker",
	"transcript.timestamps",
}

var _ contracts.InputAdapter = (*Adapter)(nil)

type Adapter struct{}

func New() *Adapter {
	return &Adapter{}
}

func (a *Adapter) Key() string {
	return Key
}

func (a *Adapter) Parse(ctx context.Context, req contracts.ParseRequest) (*source.SourceDocument, error) {
	return nil, fmt.Errorf("seriatim input: source document parsing is not implemented")
}

func ModuleSpec() pipeline.ModuleSpec {
	return pipeline.ModuleSpec{
		Key:      Key,
		Stage:    pipeline.StageInput,
		Provides: append([]string(nil), providedCapabilities...),
	}
}

func Register(registry *pipeline.InputAdapterRegistry) error {
	return registry.RegisterWithSpec(ModuleSpec(), func() (contracts.InputAdapter, error) {
		return New(), nil
	})
}