package api

import (
	"encoding/json"
	"errors"
	"path"
	"time"

	"srs.epita.fr/fic-server/libfic"
	"srs.epita.fr/fic-server/settings"

	"github.com/julienschmidt/httprouter"
)

var TeamsDir string

func init() {
	router.GET("/api/settings.json", apiHandler(getSettings))
	router.PUT("/api/settings.json", apiHandler(saveSettings))

	router.POST("/api/reset", apiHandler(reset))
}

func getSettings(_ httprouter.Params, body []byte) (interface{}, error) {
	if settings.ExistsSettings(path.Join(TeamsDir, settings.SettingsFile)) {
		return settings.ReadSettings(path.Join(TeamsDir, settings.SettingsFile))
	} else {
		return settings.FICSettings{"Challenge FIC", "Laboratoire SRS, ÉPITA", time.Unix(0,0), time.Unix(0,0), time.Unix(0,0), fic.FirstBlood, fic.SubmissionCostBase, false, false, false, true, true}, nil
	}
}

func saveSettings(_ httprouter.Params, body []byte) (interface{}, error) {
	var config settings.FICSettings
	if err := json.Unmarshal(body, &config); err != nil {
		return nil, err
	}

	if err := settings.SaveSettings(path.Join(TeamsDir, settings.SettingsFile), config); err != nil {
		return nil, err
	} else {
		return config, err
	}
}

func reset(_ httprouter.Params, body []byte) (interface{}, error) {
	var m map[string]string
	if err := json.Unmarshal(body, &m); err != nil {
		return nil, err
	}

	if t, ok := m["type"]; !ok {
		return nil, errors.New("Field type not found")
	} else if t == "teams" {
		return true, fic.ResetTeams()
	} else if t == "challenges" {
		return true, fic.ResetExercices()
	} else if t == "game" {
		return true, fic.ResetGame()
	} else {
		return nil, errors.New("Unknown reset type")
	}
}