package executor

import (
	"fmt"

	schemepkg "git.buran.team/main/cep/scheme"
)

type FindContainer func(string) (Container, error)

type Checker interface {
	Check() *TaskResult
}

func NewChecker(global *Global, ticket *Ticket, finder FindContainer, checkerScheme schemepkg.Checker) (Checker, error) {
	switch checkerScheme.Kind {
	case schemepkg.CHECKER_KIND_SEQUENTIAL:
		checks := []Check{}
		for _, checkScheme := range checkerScheme.KindSequential.Checks {
			container, err := finder(checkScheme.ContainerID)
			if err != nil {
				return nil, fmt.Errorf("can't create checker: %w", err)
			}

			check, err := NewCheck(global, ticket, checkScheme, container)
			if err != nil {
				return nil, fmt.Errorf("can't create checker: %w", err)
			}

			checks = append(checks, check)
		}

		return NewSequentialChecker(global, ticket, checks)

	case schemepkg.CHECKER_KIND_PARALLEL:
		checks := []Check{}
		for _, checkScheme := range checkerScheme.KindParallel.Checks {
			container, err := finder(checkScheme.ContainerID)
			if err != nil {
				return nil, fmt.Errorf("can't create checker: %w", err)
			}

			check, err := NewCheck(global, ticket, checkScheme, container)
			if err != nil {
				return nil, fmt.Errorf("can't create checker: %w", err)
			}

			checks = append(checks, check)
		}

		return NewParallelChecker(global, ticket, checks)
	}

	return nil, ErrKindUnknown
}