// Copyright (c) 2026 Lark Technologies Pte. Ltd.
// SPDX-License-Identifier: MIT

package config

import (
	"github.com/spf13/cobra"

	"github.com/larksuite/cli/internal/cmdpolicy"
	"github.com/larksuite/cli/internal/cmdutil"
	"github.com/larksuite/cli/internal/output"
)

func NewCmdConfigPolicy(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:    "policy",
		Hidden: true,
		Short:  "Inspect the user-layer command policy",
		// Override parent's RequireBuiltinCredentialProvider check; this
		// group is read-only diagnostic and must work under any provider.
		PersistentPreRunE: func(c *cobra.Command, _ []string) error {
			c.SilenceUsage = true
			return nil
		},
	}
	cmd.AddCommand(newCmdConfigPolicyShow(f))
	return cmd
}

func newCmdConfigPolicyShow(f *cmdutil.Factory) *cobra.Command {
	cmd := &cobra.Command{
		Use:    "show",
		Hidden: true,
		Short:  "Show the active user-layer policy (plugin / yaml / none)",
		RunE: func(cmd *cobra.Command, args []string) error {
			return runConfigPolicyShow(f)
		},
	}
	cmdutil.SetRisk(cmd, "read")
	return cmd
}

func runConfigPolicyShow(f *cmdutil.Factory) error {
	active := cmdpolicy.GetActive()
	if active == nil {
		output.PrintJson(f.IOStreams.Out, map[string]any{
			"source": string(cmdpolicy.SourceNone),
			"note":   "no policy recorded; bootstrap did not run pruning",
		})
		return nil
	}

	sourceName := ""
	if active.Source.Kind == cmdpolicy.SourcePlugin {
		sourceName = active.Source.Name
	}
	out := map[string]any{
		"source":       string(active.Source.Kind),
		"source_name":  sourceName,
		"denied_paths": active.DeniedPaths,
	}
	if len(active.Rules) > 0 {
		rules := make([]map[string]any, 0, len(active.Rules))
		for _, r := range active.Rules {
			rules = append(rules, map[string]any{
				"name":              r.Name,
				"description":       r.Description,
				"allow":             r.Allow,
				"deny":              r.Deny,
				"max_risk":          r.MaxRisk,
				"identities":        r.Identities,
				"allow_unannotated": r.AllowUnannotated,
			})
		}
		out["rules"] = rules
	}
	output.PrintJson(f.IOStreams.Out, out)
	return nil
}