package workflow

import (
	"os"
	"path/filepath"
	"testing"
)

func TestFromYamlBytesCreatesWorkflow(t *testing.T) {
	sample := `
jobs:
    jobA:
        runs-on: default
        steps:
            - run: echo "test"
    `

	workflow, err := FromYamlBytes([]byte(sample))

	if err != nil {
		t.Errorf("Expected no errors, got %#v", err)
	}

	if workflow == nil {
		t.Errorf("Expected workflow struct, got nil.")
	}
}

func TestFromYamlBytesDefaultsJobNameToObjectKey(t *testing.T) {
	sample := `
jobs:
    jobA:
        runs-on: default
        steps:
            - run: echo "test"
    `

	workflow, _ := FromYamlBytes([]byte(sample))

	if workflow.Jobs["jobA"].Name != "jobA" {
		t.Errorf("Expected job name to be \"jobA\", got %s instead.", workflow.Jobs["jobA"].Name)
	}
}

func TestFromYamlBytesReturnsErrorIfErrorParsing(t *testing.T) {
	sample := `not-yaml!`

	workflow, err := FromYamlBytes([]byte(sample))

	if err == nil {
		t.Error("Expected error errors, got nil")
	}

	if workflow != nil {
		t.Errorf("Expected nil workflow, got %#v.", workflow)
	}
}

func TestFromYamlFileCreatesWorkflow(t *testing.T) {
	sample := `
jobs:
    jobA:
        runs-on: default
        steps:
            - run: echo "test"
    `

	workflowPath := filepath.Join(t.TempDir(), "workflow.yml")
	os.WriteFile(workflowPath, []byte(sample), 0755)

	workflow, err := FromYamlFile(workflowPath)

	if err != nil {
		t.Errorf("Expected no errors, got %#v", err)
	}

	if workflow == nil {
		t.Errorf("Expected workflow struct, got nil.")
	}
}

func TestFromYamlFileReturnsErrorIfErrorParsing(t *testing.T) {
	sample := `not-yaml!`

	workflowPath := filepath.Join(t.TempDir(), "workflow.yml")
	os.WriteFile(workflowPath, []byte(sample), 0755)

	workflow, err := FromYamlFile(workflowPath)

	if err == nil {
		t.Error("Expected errors, got nil.")
	}

	if workflow != nil {
		t.Errorf("Expected nil workflow, got %#v.", workflow)
	}
}

func TestFromYamlFileSetsSourcePathOnWorkflow(t *testing.T) {
	sample := `
jobs:
    jobA:
        runs-on: default
        steps:
            - run: echo "test"
    `

	workflowPath := filepath.Join(t.TempDir(), "workflow.yml")
	os.WriteFile(workflowPath, []byte(sample), 0755)

	workflow, _ := FromYamlFile(workflowPath)

	if workflow.SourcePath != workflowPath {
		t.Errorf("Expected workflow file path to be %s, got %s instead.", workflowPath, workflow.SourcePath)
	}
}