package aboutme

import (
	"errors"
	"html/template"
	"net/http"
	"path"
	"personalwebsite/apps"
	"personalwebsite/apps/appCtx"
	"personalwebsite/errormessage"
	"personalwebsite/libs"
	"personalwebsite/wde"
	"personalwebsite/webfilesystem"

	"github.com/gin-gonic/gin"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

type AboutMeApp struct {
	fs             *webfilesystem.WebFileSystem
	appID          string
	mLib           libs.MarkdownLib
	titleBarConfig wde.TitleBarConfig //TODO to app manifest?
	path           string
	manifest       apps.ApplicationManifest
}

func NewAboutMeApp(webFs *webfilesystem.WebFileSystem) *AboutMeApp {
	manifest := apps.ApplicationManifest{}
	_, err := webFs.Read(path.Join("/Applications/AboutMe.app", ".appmanifest"), &manifest)
	if err != nil {
		panic(err)
	}
	newApp := AboutMeApp{
		fs:    webFs,
		appID: "AboutMe",
		path:  "/Applications/AboutMe.app",
		titleBarConfig: wde.TitleBarConfig{
			Lable:       "About Me",
			CloseButton: true,
			HasIcon:     true,
			IconPath:    "/Icons/GenericApp.icn",
			IconSize:    "16",
		},
		manifest: manifest,
	}
	return &newApp
}
func (p *AboutMeApp) GetPath() string {
	return p.path
}
func (p *AboutMeApp) GetManifest() apps.ApplicationManifest {
	return p.manifest
}
func (p *AboutMeApp) PublicRoutes(route *gin.RouterGroup) {
	route.POST("render", func(ctx *gin.Context) {
		filePath := ctx.Query("path")
		if filePath == "" {
			ctx.Status(http.StatusBadRequest)
			return
		}
		appCtx := appCtx.AppContext{}
		err := ctx.BindJSON(&appCtx)
		if err != nil {
			ctx.Status(http.StatusBadRequest)
			return
		}

		ginH, err := p.Render(appCtx, filePath)
		if err != nil {
			ctx.JSON(http.StatusInternalServerError, "TODO") //TODO
			return
		}
		if appCtx.IsMobile {
			ctx.HTML(http.StatusOK, "personal-properties/mobile-app.tmpl", ginH)
		} else {
			ctx.HTML(http.StatusOK, "personal-properties/app.tmpl", ginH)
		}
	})
}

func (p *AboutMeApp) PrivateRoutes(router *gin.RouterGroup) {
	p.PublicRoutes(router)
	router.GET("writeMock", func(ctx *gin.Context) {
		err := p.WriteMock()
		if err != nil {
			ctx.Status(http.StatusInternalServerError)
		}
		ctx.Status(http.StatusOK)
	})

	router.GET("getMock", func(ctx *gin.Context) {
		ctx.JSON(http.StatusOK, PropertiesFileData{
			Header: HeaderIsland{
				Name:     "",
				IconPath: "",
				Value1:   "",
				Value2:   "",
			},
			Links: []HeaderLink{
				{
					Text: "",
					Url:  "",
					Icon: "",
				},
			},
			Islands: []Island{
				{
					Header: "qq",
					Properties: []IslandProperty{
						{
							Key: "22",
							KeyComments: []string{
								"45",
								"12",
							},
							Values: []string{
								"aaaa",
							},
						},
					},
				},
			},
		})
	})

	router.GET("read", func(ctx *gin.Context) {
		filePath := ctx.Query("path")
		if filePath == "" {
			ctx.JSON(http.StatusBadRequest, errormessage.ErrorMessage{
				Message: "File path is empty",
			})
			return
		}
		propData, err := p.Read(filePath)
		if err != nil {
			ctx.JSON(http.StatusInternalServerError, errormessage.ErrorMessage{
				Message: err.Error(),
			})
			return
		}

		ctx.JSON(http.StatusOK, propData)
	})

	router.POST("edit", func(ctx *gin.Context) {
		filePath := ctx.Query("path")
		if filePath == "" {
			ctx.JSON(http.StatusBadRequest, errormessage.ErrorMessage{
				Message: "File path is empty",
			})
			return
		}

		propsData := PropertiesFileData{}
		err := ctx.BindJSON(&propsData)
		if err != nil {
			ctx.JSON(http.StatusBadRequest, errormessage.ErrorMessage{
				Message: err.Error(),
			})
			return
		}

		err = p.Edit(filePath, propsData)
		if err != nil {
			ctx.JSON(http.StatusInternalServerError, errormessage.ErrorMessage{
				Message: err.Error(),
			})
			return
		}
		ctx.Status(http.StatusOK)
	})

}

func (p *AboutMeApp) GetAppID() string {
	return p.appID
}

func (p *AboutMeApp) WriteMock() error {
	fileHeader := webfilesystem.FileHeader{
		MongoId: primitive.NewObjectID(),
		Name:    "aboutme.props",
		Type:    "personal-properties",
		Icon:    "",
	}
	fileData := PropertiesFileData{
		Header: HeaderIsland{
			Name:     "Test Name",
			IconPath: "test icon path",
		},
	}
	_, _, err := p.fs.Write("/Applications/AboutMe.app/aboutme.props", &fileHeader, fileData)
	return err
}

func (p *AboutMeApp) Read(filePath string) (*PropertiesFileData, error) {
	propData := PropertiesFileData{}
	fileHeader, err := p.fs.Read(path.Join(filePath, "aboutme.props"), &propData)
	if err != nil {
		return nil, err
	}
	if fileHeader.Type != "personal-properties" {
		return nil, errors.New("wrong file type")
	}
	return &propData, nil
}

func (p *AboutMeApp) Edit(filePath string, blogData PropertiesFileData) error {
	propsPath := path.Join(filePath, "aboutme.props")
	fileHeader, err := p.fs.Read(propsPath, nil)
	if err != nil {
		if err.Error() == "file not found" { //FIXME
			p.WriteMock()
			p.Edit(filePath, blogData)
		} else {
			return err
		}
	}
	if fileHeader.Type != "personal-properties" {
		return errors.New("wrong file type")
	}

	err = p.fs.Remove(propsPath)
	if err != nil {
		return err
	}
	fileHeader.MongoId = primitive.NewObjectID()
	_, _, err = p.fs.Write(propsPath, fileHeader, blogData)
	if err != nil {
		return err
	}
	return nil
}

func (p *AboutMeApp) Render(appCtx appCtx.AppContext, filePath string) (gin.H, error) {
	//Read file from WebFS
	propsData := &PropertiesFileData{}
	filePath = p.fs.RelativeToAbsolute(appCtx, filePath)
	_, err := p.fs.Read(filePath, &propsData)
	if err != nil {
		return nil, err
	}

	//Render Markdown strings
	renderedIslands := []RenderedIsland{}
	for _, island := range propsData.Islands {
		newRenderedIsland := RenderedIsland{
			Header:     island.Header,
			Properties: []RenderedIslandProperty{},
		}
		for _, property := range island.Properties {
			newRenderedIslandProperty := RenderedIslandProperty{
				Key:         property.Key,
				KeyComments: property.KeyComments,
				Values:      []template.HTML{},
			}
			for _, value := range property.Values {
				renderedValue := p.mLib.Render([]byte(value), true)
				newRenderedIslandProperty.Values = append(newRenderedIslandProperty.Values, renderedValue)
			}
			newRenderedIsland.Properties = append(newRenderedIsland.Properties, newRenderedIslandProperty)
		}
		renderedIslands = append(renderedIslands, newRenderedIsland)
	}

	//Make icon path absolute
	propsData.Header.IconPath = p.fs.RelativeToAbsolute(appCtx, propsData.Header.IconPath)

	absoluteLinks := []HeaderLink{}
	for _, link := range propsData.Links {
		absoluteLinks = append(absoluteLinks, HeaderLink{
			Text: link.Text,
			Url:  link.Url,
			Icon: p.fs.RelativeToAbsolute(appCtx, link.Icon),
		})
	}

	return gin.H{
		"TitleBarConfig": p.titleBarConfig,
		"HeaderProps":    propsData.Header,
		"Links":          absoluteLinks,
		"Islands":        renderedIslands,
	}, nil
}

type PropertiesFileData struct {
	Header  HeaderIsland `bson:"header" json:"header"`
	Links   []HeaderLink `bson:"links" json:"links"`
	Islands []Island     `bson:"islands" json:"islands"` //TODO rename
}

type HeaderIsland struct {
	Name     string `bson:"name" json:"name"`
	IconPath string `bson:"iconpath" json:"iconpath"`
	Value1   string `bson:"value1" json:"value1"` //TODO Rename to value
	Value2   string `bson:"value2" json:"value2"`
}

type HeaderLink struct {
	Text string `bson:"text" json:"text"`
	Url  string `bson:"url" json:"url"`
	Icon string `bson:"icon" json:"icon"`
}

type Island struct {
	Header     string           `bson:"header" json:"header"`
	Properties []IslandProperty `bson:"properties" json:"properties"`
}

type IslandProperty struct {
	Key         string   `bson:"key" json:"key"`
	KeyComments []string `bson:"keycomment" json:"keycomment"`
	Values      []string `bson:"values" json:"values"`
}

type RenderedIsland struct {
	Header     string
	Properties []RenderedIslandProperty
}

type RenderedIslandProperty struct {
	Key         string
	KeyComments []string
	Values      []template.HTML
}

// type Value struct {
// 	Blocks []ValueBlock
// }

// type ValueBlock struct {
// 	Type string
// 	Data string
// }