package orch

import (
	"fmt"

	"ai-workflow-skill/packages/coord-core/protocol"
	"ai-workflow-skill/packages/coord-core/store"

	"github.com/spf13/cobra"
)

type verifyRecordOptions struct {
	runID        string
	taskID       string
	attemptNo    int
	checkName    string
	status       string
	summary      string
	body         string
	bodyFile     string
	metadataJSON string
	recordedBy   string
}

type verifyStatusOptions struct {
	runID     string
	taskID    string
	attemptNo int
}

func newVerifyCmd(root *rootOptions) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "verify",
		Short: "Verification gate commands",
		Long: helpLong(
			"Verification gate commands record post-implementation checks and inspect task verification state.",
			"Verification gates keep orch from treating a worker's done signal as final completion before the required checks pass.",
		),
		Example: `  orch --db .agents/coord.db verify record --run blog_mvp_001 --task T1 --check lint --status passed --summary "lint clean"
  orch --db .agents/coord.db verify status --run blog_mvp_001 --task T1`,
	}

	cmd.AddCommand(newVerifyRecordCmd(root))
	cmd.AddCommand(newVerifyStatusCmd(root))
	return cmd
}

func newVerifyRecordCmd(root *rootOptions) *cobra.Command {
	opts := &verifyRecordOptions{}

	cmd := &cobra.Command{
		Use:   "record",
		Short: "Record one verification check result for a task attempt",
		Long: helpLong(
			"Use verify record after reconcile has moved a task into verifying, or when a prior verification failure needs an updated check result.",
			"record upserts one named check result for the selected attempt, then recomputes the task gate and task status.",
		),
		Example: `  orch --db .agents/coord.db verify record --run blog_mvp_001 --task T1 --check lint --status passed --summary "lint clean"
  orch --db .agents/coord.db verify record --run blog_mvp_001 --task T1 --check package-consumer --status failed --summary "consumer smoke failed" --body-file ./artifacts/package-consumer.txt`,
		RunE: func(cmd *cobra.Command, args []string) error {
			ctx := cmd.Context()

			sqlDB, err := openOrchDB(ctx, root.dbPath)
			if err != nil {
				return err
			}
			defer sqlDB.Close()

			body, err := resolveBodyValue(opts.body, opts.bodyFile)
			if err != nil {
				return err
			}

			result, err := store.NewOrchStore(sqlDB).RecordCheck(ctx, store.VerifyRecordInput{
				RunID:        opts.runID,
				TaskID:       opts.taskID,
				AttemptNo:    opts.attemptNo,
				CheckName:    opts.checkName,
				Status:       opts.status,
				Summary:      opts.summary,
				Body:         body,
				MetadataJSON: opts.metadataJSON,
				RecordedBy:   opts.recordedBy,
			})
			if err != nil {
				return err
			}

			resp := protocol.Success{
				OK:      true,
				Command: "verify record",
				Data: map[string]any{
					"task":    result.Task,
					"attempt": result.Attempt,
					"check":   result.Check,
					"gate":    result.Gate,
				},
			}
			if root.json {
				return protocol.WriteJSON(cmd.OutOrStdout(), resp)
			}

			_, err = fmt.Fprintf(
				cmd.OutOrStdout(),
				"recorded check %s=%s for %s/%s attempt %d\n",
				result.Check.CheckName,
				result.Check.Status,
				result.Task.RunID,
				result.Task.TaskID,
				result.Attempt.AttemptNo,
			)
			return err
		},
	}

	cmd.Flags().StringVar(&opts.runID, "run", "", "Run ID")
	cmd.Flags().StringVar(&opts.taskID, "task", "", "Task ID")
	cmd.Flags().IntVar(&opts.attemptNo, "attempt", 0, "Attempt number; defaults to the latest attempt")
	cmd.Flags().StringVar(&opts.checkName, "check", "", "Check name")
	cmd.Flags().StringVar(&opts.status, "status", "", "Check status: passed, failed, or skipped")
	cmd.Flags().StringVar(&opts.summary, "summary", "", "Short verification summary")
	cmd.Flags().StringVar(&opts.body, "body", "", "Optional verification details")
	cmd.Flags().StringVar(&opts.bodyFile, "body-file", "", "Optional path to a verification details file")
	cmd.Flags().StringVar(&opts.metadataJSON, "metadata-json", "", "Structured metadata JSON for the check result")
	cmd.Flags().StringVar(&opts.recordedBy, "recorded-by", "orch", "Recorder identity for the check result")
	_ = cmd.MarkFlagRequired("run")
	_ = cmd.MarkFlagRequired("task")
	_ = cmd.MarkFlagRequired("check")
	_ = cmd.MarkFlagRequired("status")

	return cmd
}

func newVerifyStatusCmd(root *rootOptions) *cobra.Command {
	opts := &verifyStatusOptions{}

	cmd := &cobra.Command{
		Use:   "status",
		Short: "Show the current verification state for one task",
		Long: helpLong(
			"Use verify status to inspect the task spec snapshot, the selected attempt, and the current gate state in one response.",
			"Prefer this when a task is stuck in verifying or failed because of gate results.",
		),
		Example: `  orch --db .agents/coord.db verify status --run blog_mvp_001 --task T1
  orch --db .agents/coord.db --json verify status --run blog_mvp_001 --task T1 --attempt 2`,
		RunE: func(cmd *cobra.Command, args []string) error {
			ctx := cmd.Context()

			sqlDB, err := openOrchDB(ctx, root.dbPath)
			if err != nil {
				return err
			}
			defer sqlDB.Close()

			result, err := store.NewOrchStore(sqlDB).GetVerificationStatus(ctx, store.VerificationStatusInput{
				RunID:     opts.runID,
				TaskID:    opts.taskID,
				AttemptNo: opts.attemptNo,
			})
			if err != nil {
				return err
			}

			resp := protocol.Success{
				OK:      true,
				Command: "verify status",
				Data: map[string]any{
					"task":    result.Task,
					"attempt": result.Attempt,
					"spec":    result.Spec,
					"gate":    result.Gate,
				},
			}
			if root.json {
				return protocol.WriteJSON(cmd.OutOrStdout(), resp)
			}

			if result.Gate == nil {
				_, err = fmt.Fprintf(cmd.OutOrStdout(), "%s/%s has no verification gate\n", result.Task.RunID, result.Task.TaskID)
				return err
			}

			_, err = fmt.Fprintf(cmd.OutOrStdout(), "%s/%s verification status %s\n", result.Task.RunID, result.Task.TaskID, result.Gate.Status)
			return err
		},
	}

	cmd.Flags().StringVar(&opts.runID, "run", "", "Run ID")
	cmd.Flags().StringVar(&opts.taskID, "task", "", "Task ID")
	cmd.Flags().IntVar(&opts.attemptNo, "attempt", 0, "Attempt number; defaults to the latest attempt")
	_ = cmd.MarkFlagRequired("run")
	_ = cmd.MarkFlagRequired("task")

	return cmd
}