package main

import (
	"strings"
	"testing"
)

func TestValidateScopeOverlapRejectsAllowedForbiddenConflict(t *testing.T) {
	err := validateScopeOverlap([]string{"cmd/creator-web/server.go"}, []string{"cmd/creator-web/**"})
	if err == nil || !strings.Contains(err.Error(), "overlaps forbidden") {
		t.Fatalf("overlap error = %v", err)
	}
}

func TestValidateRequiredTestsRejectsIncompleteEvidence(t *testing.T) {
	err := validateRequiredTests([]string{"go test ./..."})
	if err == nil || !strings.Contains(err.Error(), "missing required governance evidence") {
		t.Fatalf("required test error = %v", err)
	}
}

func TestValidateDeltaRejectsUnknownOrMissingFields(t *testing.T) {
	err := validateDelta(map[string]int{"new_privileges": 0})
	if err == nil || !strings.Contains(err.Error(), "exactly") {
		t.Fatalf("delta error = %v", err)
	}
}

func TestValidateGenerationTaskRequiresGen2BaseAndArchitecture(t *testing.T) {
	tests := []struct {
		name string
		task TaskPacket
		want string
	}{
		{
			name: "architecture task requires integration base",
			task: TaskPacket{TaskID: "ARCH-GEN2-000", BaseRepoRevision: "origin/main", ArchitectureRevision: "ADR-0019"},
			want: "gen2-integration",
		},
		{
			name: "implementation task requires accepted architecture root",
			task: TaskPacket{TaskID: "GEN2-001", BaseRepoRevision: "gen2-integration", ArchitectureRevision: "ADR-0019"},
			want: "ARCH-GEN2-000",
		},
	}
	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			err := validateGenerationTask(tc.task)
			if err == nil || !strings.Contains(err.Error(), tc.want) {
				t.Fatalf("generation validation error = %v, want %q", err, tc.want)
			}
		})
	}
}

func TestValidateGenerationTaskAcceptsExecutionRoots(t *testing.T) {
	for _, task := range []TaskPacket{
		{TaskID: "PRE-GEN2-000", BaseRepoRevision: "origin/main", ArchitectureRevision: "ADR-0019"},
		{TaskID: "ARCH-GEN2-000", BaseRepoRevision: "gen2-integration", ArchitectureRevision: "ADR-0019"},
		{TaskID: "GEN2-001", BaseRepoRevision: "gen2-integration", ArchitectureRevision: "ARCH-GEN2-000"},
	} {
		if err := validateGenerationTask(task); err != nil {
			t.Fatalf("validateGenerationTask(%+v) = %v", task, err)
		}
	}
}