/*
Copyright © 2024 Dan Jones <danjones@goodevilgenius.org>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd

import (
	"encoding/json"
	"fmt"
	"time"

	"codeberg.org/danjones000/my-log/config"
	"codeberg.org/danjones000/my-log/files"
	"codeberg.org/danjones000/my-log/formatters"
	"codeberg.org/danjones000/my-log/models"
	"codeberg.org/danjones000/my-log/tools"
	"github.com/spf13/cobra"
)

var d Date
var fields map[string]string
var j Json
var outJson bool

// dropCmd represents the drop command
var dropCmd = &cobra.Command{
	Use:   "drop log title",
	Short: "Add a new log entry",
	// Long: ``,
	Args:         cobra.ExactArgs(2),
	SilenceUsage: true,
	RunE: func(cmd *cobra.Command, args []string) error {
		if outJson {
			config.Overrides["output.stdout.config.format"] = "json"
		}

		log := args[0]
		title := args[1]
		ms := &models.Metas{}
		if len(j.RawMessage) > 8 {
			err := json.Unmarshal([]byte(j.RawMessage), ms)
			if err != nil {
				return err
			}
		}
		for k, v := range fields {
			ms.AppendTo(k, tools.ParseString(v))
		}
		e := models.Entry{title, d.t, *ms}
		l := models.Log{log, []models.Entry{e}}
		err := files.Append(l)
		if err != nil {
			return err
		}

		form, err := formatters.Preferred()
		if err != nil {
			return err
		}
		out, err := form.Log(l)
		if err != nil {
			return err
		}
		if len(out) > 0 && out[len(out)-1] != 10 {
			out = append(out, 10)
		}
		fmt.Fprintf(cmd.OutOrStdout(), "%s", out)

		return nil
	},
}

func init() {
	rootCmd.AddCommand(dropCmd)

	(&d).Set("now")
	dropCmd.Flags().VarP(&d, "date", "d", "Date for log entry")
	dropCmd.Flags().StringToStringVarP(&fields, "fields", "f", nil, "Fields you add to entry")
	dropCmd.Flags().VarP(&j, "json", "j", "Entire entry as json")
	dropCmd.Flags().BoolVarP(&outJson, "output_json", "o", false, "Output result as JSON")
}

type Json struct {
	json.RawMessage
}

func (j *Json) String() string {
	return string(j.RawMessage)
}

func (j *Json) Set(in string) error {
	return json.Unmarshal([]byte(in), &j.RawMessage)
}

func (j *Json) Type() string {
	return "json"
}

type Date struct {
	s string
	t time.Time
}

func (d *Date) String() string {
	return d.s
}

func (d *Date) Set(in string) (err error) {
	d.s = in
	d.t, err = tools.ParseDate(in)
	return
}

func (d *Date) Type() string {
	return "datetime"
}