package atlas_test

import (
	"testing"

	"git.d-ma.be/mathias/cad-atlas/internal/atlas"
)

func TestLatestRunJobs_GroupsNewestRunReversedToPipelineOrder(t *testing.T) {
	// Gitea returns tasks newest-first (deploy finished last → appears first).
	tasks := []byte(`{"workflow_runs":[
	  {"run_number":28,"name":"Deploy via GitOps","status":"success","head_sha":"633ba153f26abc","display_title":"feat: x"},
	  {"run_number":28,"name":"Build & Import","status":"success"},
	  {"run_number":28,"name":"Lint / Test / Vet","status":"success"},
	  {"run_number":27,"name":"Deploy via GitOps","status":"failure"}
	]}`)

	s, err := atlas.LatestRunJobs(tasks)
	if err != nil {
		t.Fatalf("LatestRunJobs: %v", err)
	}
	if s.Number != 28 || s.SHA != "633ba153f26abc" || s.Title != "feat: x" {
		t.Fatalf("summary = %+v", s)
	}
	// only run 28's jobs, reversed to pipeline order (Lint → Build → Deploy)
	got := []string{}
	for _, j := range s.Jobs {
		got = append(got, j.Name)
	}
	want := []string{"Lint / Test / Vet", "Build & Import", "Deploy via GitOps"}
	if len(got) != 3 || got[0] != want[0] || got[2] != want[2] {
		t.Fatalf("jobs = %v, want %v", got, want)
	}
	if s.State() != "success" {
		t.Fatalf("state = %q, want success", s.State())
	}
}

func TestRunSummary_StateFailsIfAnyJobFailed(t *testing.T) {
	s := atlas.RunSummary{Jobs: []atlas.Job{
		{Status: "success"}, {Status: "completed", Conclusion: "failure"},
	}}
	if s.State() != "failure" {
		t.Fatalf("state = %q, want failure", s.State())
	}
}

func TestRunNodes_SummaryThenPerJobColoured(t *testing.T) {
	s := atlas.RunSummary{Number: 28, SHA: "633ba153f26", Title: "feat: x", Jobs: []atlas.Job{
		{Name: "Lint / Test / Vet", Status: "success"},
		{Name: "Deploy via GitOps", Status: "failure"},
	}}
	nodes := atlas.RunNodes(s)
	if len(nodes) != 3 {
		t.Fatalf("want 3 nodes (summary + 2 jobs), got %d", len(nodes))
	}
	if nodes[0].Title != "▶ run #28 · failure" || nodes[0].Pill != "var(--coral)" {
		t.Fatalf("summary node = %+v", nodes[0])
	}
	if nodes[1].Title != "Lint / Test / Vet" || nodes[1].Pill != "var(--green)" {
		t.Fatalf("job node 1 = %+v", nodes[1])
	}
	if nodes[2].Pill != "var(--coral)" {
		t.Fatalf("failed job pill = %q", nodes[2].Pill)
	}
}

func TestRecentRuns_GroupsRunsNewestFirstWithAggregateState(t *testing.T) {
	tasks := []byte(`{"workflow_runs":[
	  {"run_number":28,"name":"Deploy","status":"success"},
	  {"run_number":28,"name":"Build","status":"success"},
	  {"run_number":27,"name":"Deploy","status":"completed","conclusion":"failure"},
	  {"run_number":26,"name":"Build","status":"running"},
	  {"run_number":25,"name":"Deploy","status":"success"}
	]}`)

	dots, err := atlas.RecentRuns(tasks, 3)
	if err != nil {
		t.Fatalf("RecentRuns: %v", err)
	}
	if len(dots) != 3 {
		t.Fatalf("want 3 dots (capped), got %d: %+v", len(dots), dots)
	}
	want := []atlas.RunDot{{28, "success"}, {27, "failure"}, {26, "running"}}
	for i := range want {
		if dots[i] != want[i] {
			t.Fatalf("dot[%d] = %+v, want %+v", i, dots[i], want[i])
		}
	}
}

func TestRunState_SkippedJobsCountAsOK(t *testing.T) {
	// A tag-push run skips the deploy job; the run still succeeded.
	s := atlas.RunSummary{Jobs: []atlas.Job{
		{Status: "skipped"}, {Status: "success"}, {Status: "success"},
	}}
	if s.State() != "success" {
		t.Fatalf("skipped+success run state = %q, want success", s.State())
	}
}

func TestLatestRunJobs_ErrorsWhenEmpty(t *testing.T) {
	if _, err := atlas.LatestRunJobs([]byte(`{"workflow_runs":[]}`)); err == nil {
		t.Fatal("expected error on empty, got nil")
	}
}