package processreport

import (
	"path/filepath"
	"testing"
	"time"

	"gitea.maximumdirect.net/eric/audita/internal/core/chunking"
	"gitea.maximumdirect.net/eric/audita/internal/core/diagnostics"
	"gitea.maximumdirect.net/eric/audita/internal/core/normalization"
	"gitea.maximumdirect.net/eric/audita/internal/core/reporting"
	"gitea.maximumdirect.net/eric/audita/internal/framework/proposals"
	"gitea.maximumdirect.net/eric/audita/internal/framework/runner"
)

func TestBuildSuccessReportMapsExecutionFacts(t *testing.T) {
	startedAt := time.Date(2026, 5, 23, 10, 0, 0, 0, time.UTC)
	completedAt := startedAt.Add(time.Second)
	configVersion := 4
	targetSections := 2
	inputSegments := 5
	outputSegments := 4
	merges := 1
	reassigned := 2
	differentSpeakers := 3

	report := Build(BuildInput{
		Status:         "success",
		TranscriptPath: "transcript.json",
		GlossaryPath:   "glossary.yaml",
		OutputPath:     "out.json",
		Modules:        []string{"grammar"},
		OutputSchema:   "default",
		ConfigVersion:  &configVersion,
		StartedAt:      startedAt,
		CompletedAt:    completedAt,
		RunDirectoryPath: filepath.Join(
			"tmp",
			"audita-run",
		),
		NormalizationSummary: &normalization.NormalizationSummary{
			InputSegmentCount:  inputSegments,
			OutputSegmentCount: outputSegments,
			MergesPerformed:    merges,
			IDsReassigned:      reassigned,
			SkippedMerges: struct {
				DifferentSpeakers  int `json:"different_speakers"`
				GapTooLarge        int `json:"gap_too_large"`
				DurationExceeded   int `json:"duration_exceeded"`
				TokenLimitExceeded int `json:"token_limit_exceeded"`
			}{
				DifferentSpeakers: differentSpeakers,
			},
		},
		ChunkingSummary: &chunking.Summary{
			ChunkCount:           3,
			MinEstimatedTokens:   10,
			MaxEstimatedTokens:   20,
			TotalEstimatedTokens: 45,
			TargetSections:       &targetSections,
			MaxSectionTokens:     200,
			MinSectionTokens:     50,
		},
		RunOutput: &runner.RunOutput{
			ModuleResults: []runner.ModuleResult{
				{
					ModuleKey:         "grammar",
					ModuleInstance:    "grammar",
					ReplacementPolicy: proposals.ReplacementPolicyRequireUnique,
					Status:            runner.ModuleStatusSuccess,
					ProposalCount:     2,
					ValidatorDecisions: []runner.ValidatorDecisionRecord{
						{
							ValidatorName:          "proposal_shape",
							ProposalIndex:          1,
							Approved:               true,
							ReasonCode:             "approved",
							Message:                "ok",
							DiagnosticArtifactPath: "diagnostics/validator.json",
						},
					},
					ValidatorRejected: []runner.ValidatorRejectedChange{
						{
							ValidatorName:   "protected_term",
							ProposalIndex:   2,
							ModuleKey:       "grammar",
							ModuleInstance:  "grammar",
							TargetSegmentID: 7,
							OriginalText:    "old",
							CorrectedText:   "new",
							ReasonCode:      "protected_term",
							Message:         "blocked",
						},
					},
					AppliedChanges: []proposals.AppliedChange{
						{ProposalIndex: 1, TargetSegmentID: 7, OriginalText: "old", CorrectedText: "new"},
					},
					SkippedChanges: []proposals.SkippedChange{
						{ProposalIndex: 3, TargetSegmentID: 8, SkipReason: proposals.SkipReasonMissingSegment},
					},
					StartedAt:   startedAt,
					CompletedAt: completedAt,
				},
			},
		},
	})

	if report.ReportMetadata.ReportSchemaName != reporting.DefaultProcessReportSchemaName ||
		report.ReportMetadata.ReportSchemaVersion != reporting.DefaultProcessReportSchemaVersion ||
		report.ReportMetadata.OutputSchema != "default" ||
		report.ReportMetadata.ConfigVersion == nil ||
		*report.ReportMetadata.ConfigVersion != configVersion {
		t.Fatalf("unexpected report metadata: %+v", report.ReportMetadata)
	}
	if report.Phase != "default_pipeline" || report.Operation != "process" || report.Status != "success" {
		t.Fatalf("unexpected process identity fields: phase=%q operation=%q status=%q", report.Phase, report.Operation, report.Status)
	}
	if report.Diagnostics == nil || report.Diagnostics.CorrectionLedgerPath != filepath.Join("tmp", "audita-run", diagnostics.ArtifactCorrectionLedger) {
		t.Fatalf("unexpected diagnostics metadata: %+v", report.Diagnostics)
	}
	if report.InputSegmentCount == nil || *report.InputSegmentCount != inputSegments ||
		report.NormalizationSkipped.DifferentSpeakers == nil ||
		*report.NormalizationSkipped.DifferentSpeakers != differentSpeakers {
		t.Fatalf("unexpected normalization summary: %+v", report)
	}
	if report.Chunking == nil || report.Chunking.ChunkCount != 3 || report.Chunking.TargetSections == nil || *report.Chunking.TargetSections != targetSections {
		t.Fatalf("unexpected chunking summary: %+v", report.Chunking)
	}
	if report.ModulesSummary == nil ||
		report.ModulesSummary.ModuleCount != 1 ||
		report.ModulesSummary.TotalAppliedChanges != 1 ||
		report.ModulesSummary.TotalSkippedChanges != 2 {
		t.Fatalf("unexpected modules summary: %+v", report.ModulesSummary)
	}
	if len(report.ModuleResults) != 1 ||
		len(report.ModuleResults[0].ValidatorDecisions) != 1 ||
		len(report.ModuleResults[0].ValidatorRejected) != 1 {
		t.Fatalf("unexpected module reports: %+v", report.ModuleResults)
	}
}

func TestBuildFailedReportPreservesErrorAndFailureSummary(t *testing.T) {
	startedAt := time.Date(2026, 5, 23, 10, 0, 0, 0, time.UTC)
	completedAt := startedAt.Add(time.Second)

	report := Build(BuildInput{
		Status:           "failed",
		TranscriptPath:   "transcript.json",
		GlossaryPath:     "glossary.yaml",
		Modules:          []string{"grammar"},
		OutputSchema:     "default",
		StartedAt:        startedAt,
		CompletedAt:      completedAt,
		ErrorPhase:       "module",
		ErrorMessage:     "module failed",
		RunDirectoryPath: "run-dir",
		RunOutput: &runner.RunOutput{
			ModuleResults: []runner.ModuleResult{
				{
					ModuleKey:      "grammar",
					ModuleInstance: "grammar",
					Status:         runner.ModuleStatusFailed,
					ErrorMessage:   "module failed",
					StartedAt:      startedAt,
					CompletedAt:    completedAt,
				},
			},
		},
	})

	if report.Status != "failed" || report.ErrorPhase != "module" || report.ErrorMessage != "module failed" {
		t.Fatalf("unexpected failure fields: %+v", report)
	}
	if report.Diagnostics == nil || report.Diagnostics.ErrorLogPath == "" {
		t.Fatalf("expected failure diagnostics metadata, got %+v", report.Diagnostics)
	}
	if report.ModulesSummary == nil || report.ModulesSummary.FailedModuleInstance != "grammar" {
		t.Fatalf("unexpected failed module summary: %+v", report.ModulesSummary)
	}
}