travel.go

package travel

import (
	"net/http"
	"time"

	"git.fractalqb.de/fractalqb/c4hgol"
	"git.fractalqb.de/fractalqb/goxic"
	"git.fractalqb.de/fractalqb/qbsllm"
	"github.com/CmdrVasquess/bcplus/internal/wapp"
	"github.com/CmdrVasquess/goedx"
)

const Key = "travel"

var (
	log    = qbsllm.New(qbsllm.Lnormal, Key, nil, nil)
	LogCfg = c4hgol.Config(qbsllm.NewConfig(log))
)

func init() {
	wapp.AddScreen(&screen, LogCfg)
	tmpl.BCpScreen = &screen
}

var (
	tmpl   template
	screen = wapp.Screen{
		Key:     Key,
		Handler: &tmpl,
	}
)

type template struct {
	wapp.ScreenTmpl
}

type Jump struct {
	Name string
	Time time.Time
	Coos *goedx.SysCoos
}

type screenData struct {
	JumpHist []Jump
}

func (data *screenData) Set(ed *goedx.EDState) {
	if cmdr := screen.Ext.EDState.Cmdr; cmdr != nil {
		gxy := screen.Ext.Galaxy
		for _, jump := range cmdr.JumpHist {
			sys, _ := gxy.EdgxSystem(jump.SysAddr, "", nil, time.Time{})
			data.JumpHist = append(data.JumpHist, Jump{
				Name: sys.Name,
				Time: jump.Arrive,
				Coos: &sys.Coos,
			})
		}
	} else {
		data.JumpHist = []Jump{}
	}
}

type jumpData struct {
	Jump Jump
}

func (jd *jumpData) Set(ed *goedx.EDState) {
	cmdr := screen.Ext.EDState.Cmdr
	if cmdr == nil {
		return
	}
	if len(cmdr.JumpHist) == 0 {
		return
	}
	gxy := screen.Ext.Galaxy
	jump := &cmdr.JumpHist[cmdr.LastJump]
	sys, _ := gxy.EdgxSystem(jump.SysAddr, "", nil, time.Time{})
	jd.Jump.Name = sys.Name
	jd.Jump.Coos = &sys.Coos
	jd.Jump.Time = jump.Arrive
}

func (tmpl *template) Data(chg goedx.Change) interface{} {
	switch {
	case chg.All(goedx.ChgSystem):
		cmdr := screen.Ext.EDState.Cmdr
		if cmdr == nil {
			return nil
		}
		data := new(jumpData)
		data.Set(screen.Ext.EDState)
		return data
	case chg == 0 || chg.All(goedx.ChgCommander):
		data := new(screenData)
		data.Set(screen.Ext.EDState)
		return data
	}
	return nil
}

func (tmpl *template) ServeHTTP(wr http.ResponseWriter, rq *http.Request) {
	var bt goxic.BounT
	tmpl.PrepareScreen(&bt)
	screen.Ext.EDState.Read(func() error {
		goxic.Must(bt.WriteTo(wr))
		return nil
	})
}