package runner

import (
	"context"
	"errors"
	"git.0x7f.app/WOJ/woj-server/internal/e"
	"git.0x7f.app/WOJ/woj-server/internal/misc/log"
	"git.0x7f.app/WOJ/woj-server/internal/service/runner"
	"git.0x7f.app/WOJ/woj-server/internal/service/storage"
	"git.0x7f.app/WOJ/woj-server/internal/service/task"
	"github.com/hibiken/asynq"
	"github.com/samber/do"
	"go.uber.org/zap"
)

var _ Handler = (*handler)(nil)

type Handler interface {
	Build(_ context.Context, t *asynq.Task) error
	Judge(_ context.Context, t *asynq.Task) error
}

type handler struct {
	log            *zap.Logger
	runnerService  runner.Service
	taskService    task.Service
	storageService storage.Service
}

func NewRunner(i *do.Injector) (Handler, error) {
	hnd := &handler{
		log:            do.MustInvoke[log.Service](i).GetLogger("api.runner"),
		runnerService:  do.MustInvoke[runner.Service](i),
		taskService:    do.MustInvoke[task.Service](i),
		storageService: do.MustInvoke[storage.Service](i),
	}

	status := hnd.runnerService.EnsureDeps()
	if status != e.Success {
		hnd.log.Fatal("failed to ensure runner dependencies", zap.String("status", status.String()))
		return nil, errors.New("failed to ensure dependencies")
	}

	return hnd, nil
}