package handler

import (
	"strconv"

	"github.com/gofiber/fiber/v2"
	"git.tukangketik.id/swanadiva/hostkeeper/v2/internal/model"
	"git.tukangketik.id/swanadiva/hostkeeper/v2/internal/store"
)

var hostStore = store.NewHostStore()

var navItems = []fiber.Map{
	{"ID": "hosts", "Label": "Hosts", "Icon": "server"},
	{"ID": "terminal", "Label": "Terminal", "Icon": "terminal"},
	{"ID": "sftp", "Label": "SFTP", "Icon": "folder-sync"},
	{"ID": "snippets", "Label": "Snippets", "Icon": "code2"},
	{"ID": "keychain", "Label": "Keychain", "Icon": "key-round"},
	{"ID": "settings", "Label": "Settings", "Icon": "settings2"},
}

func Dashboard(c *fiber.Ctx) error {
	hosts := hostStore.All()
	return c.Render("index", fiber.Map{
		"View":     "hosts",
		"Title":    "Hosts",
		"Hosts":    hosts,
		"Active":   countByStatus(hosts, "active"),
		"Offline":  countByStatus(hosts, "offline"),
		"NavItems": navItems,
	})
}

func DashboardList(c *fiber.Ctx) error {
	q := c.Query("q")
	filter := c.Query("filter", "all")
	hosts := hostStore.Search(q, filter)
	return c.Render("host_list", fiber.Map{
		"Hosts":   hosts,
		"Active":  countByStatus(hosts, "active"),
		"Offline": countByStatus(hosts, "offline"),
	})
}

func parsePort(s string, def int) int {
	i, err := strconv.Atoi(s)
	if err != nil || i < 1 || i > 65535 {
		return def
	}
	return i
}

func CreateHost(c *fiber.Ctx) error {
	name := c.FormValue("name")
	ip := c.FormValue("ip")
	if name == "" || ip == "" {
		return c.Status(400).SendString("name and ip required")
	}

	h := model.Host{
		Name:     name,
		IP:       ip,
		OS:       c.FormValue("os"),
		Provider: c.FormValue("provider"),
		Type:     c.FormValue("type"),
		Port:     parsePort(c.FormValue("port"), 22),
		Username: c.FormValue("username"),
		AuthType: c.FormValue("authType"),
		Password: c.FormValue("password"),
		Hostname: c.FormValue("hostname"),
		Notes:    c.FormValue("notes"),
	}
	if h.Username == "" {
		h.Username = "root"
	}
	if h.AuthType == "" {
		h.AuthType = "key"
	}

	created := hostStore.AddFull(h)
	hosts := hostStore.All()
	_ = created
	return c.Render("host_list", fiber.Map{
		"Hosts":   hosts,
		"Active":  countByStatus(hosts, "active"),
		"Offline": countByStatus(hosts, "offline"),
	})
}

func UpdateHost(c *fiber.Ctx) error {
	id := c.Params("id")
	existing, found := hostStore.Get(id)
	if !found {
		return c.Status(404).SendString("host not found")
	}

	if v := c.FormValue("name"); v != "" {
		existing.Name = v
	}
	if v := c.FormValue("ip"); v != "" {
		existing.IP = v
	}
	if v := c.FormValue("os"); v != "" {
		existing.OS = v
	}
	if v := c.FormValue("provider"); v != "" {
		existing.Provider = v
	}
	if v := c.FormValue("type"); v != "" {
		existing.Type = v
	}
	if v := c.FormValue("port"); v != "" {
		existing.Port = parsePort(v, 22)
	}
	if v := c.FormValue("username"); v != "" {
		existing.Username = v
	}
	if v := c.FormValue("authType"); v != "" {
		existing.AuthType = v
	}
	if v := c.FormValue("password"); v != "" {
		existing.Password = v
	}
	if v := c.FormValue("hostname"); v != "" {
		existing.Hostname = v
	}
	if v := c.FormValue("notes"); v != "" {
		existing.Notes = v
	}

	hostStore.Update(existing)
	hosts := hostStore.All()
	return c.Render("host_list", fiber.Map{
		"Hosts":   hosts,
		"Active":  countByStatus(hosts, "active"),
		"Offline": countByStatus(hosts, "offline"),
	})
}

func DeleteHost(c *fiber.Ctx) error {
	id := c.Params("id")
	hostStore.Delete(id)
	hosts := hostStore.All()
	return c.Render("host_list", fiber.Map{
		"Hosts":   hosts,
		"Active":  countByStatus(hosts, "active"),
		"Offline": countByStatus(hosts, "offline"),
	})
}

func countByStatus(hosts []model.Host, status string) int {
	n := 0
	for _, h := range hosts {
		if h.Status == status {
			n++
		}
	}
	return n
}