package app

import (
	"context"
	"time"

	"gitea.maximumdirect.net/eric/narratio/internal/adapters/audita"
	"gitea.maximumdirect.net/eric/narratio/internal/adapters/notarius"
	"gitea.maximumdirect.net/eric/narratio/internal/adapters/scriptorium"
	"gitea.maximumdirect.net/eric/narratio/internal/adapters/seriatim"
	"gitea.maximumdirect.net/eric/narratio/internal/adapters/storage"
	"gitea.maximumdirect.net/eric/narratio/internal/adapters/whisperx"
	"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
	"gitea.maximumdirect.net/eric/narratio/internal/config"
)

type invocationDependencies struct {
	now                 func() time.Time
	newRunID            func() (string, error)
	newWhisperX         func(*config.Config) (whisperx.Client, error)
	newSeriatim         func(*config.Config) (seriatim.Runner, error)
	newAudita           func(*config.Config) (audita.Runner, error)
	newNotarius         func() notarius.Runner
	newScriptorium      func() scriptorium.Runner
	newObjectStore      func(context.Context, *config.Config) (storage.ObjectStore, error)
	loadEffectiveLocks  func(context.Context, *config.Config, storage.ObjectStore) (*effectiveLocks, error)
	loadRemoteLockStore func(context.Context, *config.Config, storage.ObjectStore) (*config.PublishLockStore, string, string, error)
	removeScopedDir     func(root, target, policy string) error
}

func (dependencies invocationDependencies) normalized() invocationDependencies {
	if dependencies.now == nil {
		dependencies.now = nowUTC
	}
	if dependencies.newRunID == nil {
		dependencies.newRunID = artifacts.NewRunID
	}
	if dependencies.newWhisperX == nil {
		dependencies.newWhisperX = buildDefaultWhisperXClient
	}
	if dependencies.newSeriatim == nil {
		dependencies.newSeriatim = buildDefaultSeriatimRunner
	}
	if dependencies.newAudita == nil {
		dependencies.newAudita = buildDefaultAuditaRunner
	}
	if dependencies.newNotarius == nil {
		dependencies.newNotarius = func() notarius.Runner { return notarius.NewSubprocessRunner() }
	}
	if dependencies.newScriptorium == nil {
		dependencies.newScriptorium = func() scriptorium.Runner { return scriptorium.NewSubprocessRunner() }
	}
	if dependencies.newObjectStore == nil {
		dependencies.newObjectStore = func(ctx context.Context, cfg *config.Config) (storage.ObjectStore, error) {
			return initializeObjectStoreBackend(ctx, cfg, storage.NewObjectStoreFromConfig)
		}
	}
	if dependencies.loadEffectiveLocks == nil {
		dependencies.loadEffectiveLocks = loadEffectiveLocks
	}
	if dependencies.loadRemoteLockStore == nil {
		dependencies.loadRemoteLockStore = loadRemoteLockStore
	}
	if dependencies.removeScopedDir == nil {
		dependencies.removeScopedDir = removeRunScopedDir
	}
	return dependencies
}