package cmd

import (
	"axolotl/models"
	"axolotl/service"
	"fmt"
	"os"

	"github.com/spf13/cobra"
)

var cDue, cContent, cType, cStatus, cPrio, cNamespace, cAssignee string
var cTags, cRels []string

var addCmd = &cobra.Command{
	Use: "add <title>", Short: "Create a new node", Args: cobra.ExactArgs(1),
	Run: func(cmd *cobra.Command, args []string) {
		svc, err := getNodeService()
		if err != nil {
			fmt.Fprintln(os.Stderr, err)
			return
		}

		input := service.AddInput{
			Title:   args[0],
			Content: cContent,
			DueDate: cDue,
		}

		// --tag is an alias for --rel with no target.
		for _, tag := range cTags {
			input.Rels = append(input.Rels, service.RelInput{Type: models.RelType(tag), Target: ""})
		}

		// Shorthand flags expand to property rels or edge rels.
		if cType != "" {
			input.Rels = append(input.Rels, service.RelInput{Type: models.RelType("_type::" + cType), Target: ""})
		}
		if cStatus != "" {
			input.Rels = append(input.Rels, service.RelInput{Type: models.RelType("_status::" + cStatus), Target: ""})
		}
		if cPrio != "" {
			input.Rels = append(input.Rels, service.RelInput{Type: models.RelType("_prio::" + cPrio), Target: ""})
		}
		if cNamespace != "" {
			input.Namespace = cNamespace
		}
		if cAssignee != "" {
			input.Rels = append(input.Rels, service.RelInput{Type: models.RelAssignee, Target: cAssignee})
		}

		for _, r := range cRels {
			ri, err := parseRelInput(r)
			if err != nil {
				fmt.Fprintln(os.Stderr, err)
				return
			}
			input.Rels = append(input.Rels, ri)
		}

		n, err := svc.Add(input)
		if err != nil {
			fmt.Fprintln(os.Stderr, "failed to create:", err)
			return
		}

		PrintNode(cmd.OutOrStdout(), svc, n, jsonFlag)
	},
}

func init() {
	rootCmd.AddCommand(addCmd)
	f := addCmd.Flags()
	f.StringVar(&cType, "type", "", "node type (issue, note, …)")
	f.StringVar(&cStatus, "status", "", "initial status (open, done)")
	f.StringVar(&cPrio, "prio", "", "priority (high, medium, low)")
	f.StringVar(&cNamespace, "namespace", "", "namespace name or ID")
	f.StringVar(&cAssignee, "assignee", "", "assignee username or ID")
	f.StringVar(&cDue, "due", "", "due date")
	f.StringVar(&cContent, "content", "", "node body")
	f.StringArrayVar(&cTags, "tag", nil, "label tag (alias for --rel tagname)")
	f.StringArrayVar(&cRels, "rel", nil, "relation (prefix::value or relname:target)")
}
