package sideload

import (
	"fmt"
	"os"
	"path/filepath"

	"git.solsynth.dev/goatworks/roadsign/pkg/navi"
	"git.solsynth.dev/goatworks/roadsign/pkg/warden"
	"github.com/gofiber/fiber/v2"
	"github.com/pelletier/go-toml/v2"
	"github.com/samber/lo"
	"github.com/spf13/viper"
)

func getRegions(c *fiber.Ctx) error {
	return c.JSON(navi.R.Regions)
}

func getRegionConfig(c *fiber.Ctx) error {
	fp := filepath.Join(viper.GetString("paths.configs"), c.Params("id"))

	var err error
	var data []byte
	if data, err = os.ReadFile(fp + ".toml"); err != nil {
		return fiber.NewError(fiber.StatusNotFound, err.Error())
	}

	return c.Type("toml").SendString(string(data))
}

func doSync(c *fiber.Ctx) error {
	req := string(c.Body())

	id := c.Params("slug")
	path := filepath.Join(viper.GetString("paths.configs"), fmt.Sprintf("%s.toml", id))

	if file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0755); err != nil {
		return fiber.NewError(fiber.ErrInternalServerError.Code, err.Error())
	} else {
		raw, _ := toml.Marshal(req)
		file.Write(raw)
		defer file.Close()
	}

	var rebootQueue []*warden.AppInstance
	if region, ok := lo.Find(navi.R.Regions, func(item *navi.Region) bool {
		return item.ID == id
	}); ok {
		for _, application := range region.Applications {
			if instance := warden.GetFromPool(application.ID); instance != nil {
				instance.Stop()
				rebootQueue = append(rebootQueue, instance)
			}
		}
	}

	// Reload
	navi.ReadInConfig(viper.GetString("paths.configs"))

	// Reboot
	for _, instance := range rebootQueue {
		instance.Wake()
	}

	return c.SendStatus(fiber.StatusOK)
}