package orch

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"

	"ai-workflow-skill/internal/protocol"
	"ai-workflow-skill/internal/store"

	"github.com/spf13/cobra"
)

type councilReportOptions struct {
	runID string
	show  string
}

func newCouncilReportCmd(root *rootOptions) *cobra.Command {
	opts := &councilReportOptions{}

	cmd := &cobra.Command{
		Use:   "report",
		Short: "Render the final grouped council output",
		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()

			orchStore := store.NewOrchStore(sqlDB)
			result, err := orchStore.BuildCouncilReport(ctx, store.CouncilReportInput{
				RunID: opts.runID,
				Show:  opts.show,
			})
			if err != nil {
				return err
			}

			reportPath := councilReportArtifactPath(root.dbPath, result.RunID)
			if err := os.MkdirAll(filepath.Dir(reportPath), 0o755); err != nil {
				return fmt.Errorf("create council report directory: %w", err)
			}
			if err := os.WriteFile(reportPath, []byte(result.Markdown), 0o644); err != nil {
				return fmt.Errorf("write council report artifact: %w", err)
			}

			result.ReportArtifacts = []store.CouncilReportArtifact{
				{
					Kind: "markdown",
					Path: reportPath,
				},
			}
			if err := orchStore.PersistCouncilReport(ctx, store.CouncilPersistReportInput{
				RunID:        result.RunID,
				Show:         result.Show,
				Summary:      result.Summary,
				MarkdownPath: reportPath,
			}); err != nil {
				return err
			}

			resp := protocol.Success{
				OK:      true,
				Command: "council report",
				Data: map[string]any{
					"run_id":                  result.RunID,
					"show":                    result.Show,
					"summary":                 result.Summary,
					"grouped_recommendations": result.GroupedRecommendations,
					"report_artifacts":        result.ReportArtifacts,
				},
			}
			if root.json {
				return protocol.WriteJSON(cmd.OutOrStdout(), resp)
			}

			_, err = fmt.Fprint(cmd.OutOrStdout(), result.Markdown)
			return err
		},
	}

	cmd.Flags().StringVar(&opts.runID, "run", "", "Council run ID")
	cmd.Flags().StringVar(&opts.show, "show", "", "Buckets to show: consensus,majority,minority,all")
	_ = cmd.MarkFlagRequired("run")

	return cmd
}

func councilReportArtifactPath(dbPath, runID string) string {
	baseDir := "."
	dbDir := filepath.Dir(dbPath)
	switch {
	case dbDir == "", dbDir == ".":
		baseDir = "."
	case filepath.Base(dbDir) == ".agents":
		baseDir = filepath.Dir(dbDir)
	default:
		baseDir = dbDir
	}
	if baseDir == "" {
		baseDir = "."
	}

	fileName := strings.ReplaceAll(strings.TrimSpace(runID), string(os.PathSeparator), "_") + ".md"
	return filepath.Join(baseDir, ".orch", "reports", fileName)
}