package cmd

import (
	"fmt"
	"net/http"
	"os"

	"github.com/kb-search/kb/internal/api"
	"github.com/kb-search/kb/internal/output"
	"github.com/spf13/cobra"
)

var addnoteCmd = &cobra.Command{
	Use:   "addnote <text>",
	Short: "Add a text note to the knowledge base",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) == 0 {
			return fmt.Errorf("requires a note text argument\n\n  Usage: kb addnote \"your note text here\"")
		}
		if len(args) > 1 {
			return fmt.Errorf("accepts 1 arg but received %d — quote your note text, e.g. kb addnote \"your note text here\"", len(args))
		}
		return nil
	},
	RunE:  runAddnote,
}

func init() {
	addnoteCmd.Flags().String("tags", "", "tags (comma-separated)")
	rootCmd.AddCommand(addnoteCmd)
}

func runAddnote(cmd *cobra.Command, args []string) error {
	tags, _ := cmd.Flags().GetString("tags")
	client := api.NewClient()
	return submitNote(client, args[0], tags)
}

func submitNote(client *api.Client, note, tags string) error {
	fields := map[string]string{
		"note": note,
	}
	if tags != "" {
		fields["tags"] = tags
	}

	resp, err := client.PostMultipart("/api/v1/jobs", fields, nil)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	if resp.StatusCode == http.StatusConflict {
		var result interface{}
		if err := api.DecodeJSON(resp, &result); err != nil {
			return fmt.Errorf("failed to decode response: %w", err)
		}
		if output.IsJSON() {
			output.PrintJSON(result)
		} else {
			if m, ok := result.(map[string]interface{}); ok {
				if docID, ok := m["document_id"].(float64); ok {
					fmt.Printf("Already imported: %s (doc ID: %.0f)\n", m["title"], docID)
				} else if jobID, ok := m["job_id"].(float64); ok {
					fmt.Printf("Already queued: %s (job ID: %.0f)\n", m["title"], jobID)
				}
			}
		}
		return nil
	}

	if err := api.CheckError(resp); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	var result interface{}
	if err := api.DecodeJSON(resp, &result); err != nil {
		return fmt.Errorf("failed to decode response: %w", err)
	}

	if output.IsJSON() {
		output.PrintJSON(result)
	} else {
		fmt.Println("Queued: note")
	}
	return nil
}