// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.

package ui  // import "miniflux.app/ui"

import (
	"net/http"

	"miniflux.app/http/context"
	"miniflux.app/http/response/json"
	"miniflux.app/http/route"
	"miniflux.app/model"
)

// WebManifest renders web manifest file.
func (c *Controller) WebManifest(w http.ResponseWriter, r *http.Request) {
	type webManifestIcon struct {
		Source string `json:"src"`
		Sizes  string `json:"sizes"`
		Type   string `json:"type"`
	}

	type webManifest struct {
		Name            string            `json:"name"`
		Description     string            `json:"description"`
		ShortName       string            `json:"short_name"`
		StartURL        string            `json:"start_url"`
		Icons           []webManifestIcon `json:"icons"`
		Display         string            `json:"display"`
		ThemeColor      string            `json:"theme_color"`
		BackgroundColor string            `json:"background_color"`
	}

	ctx := context.New(r)
	themeColor := model.ThemeColor(ctx.UserTheme())

	manifest := &webManifest{
		Name:            "Miniflux",
		ShortName:       "Miniflux",
		Description:     "Minimalist Feed Reader",
		Display:         "minimal-ui",
		StartURL:        route.Path(c.router, "unread"),
		ThemeColor:      themeColor,
		BackgroundColor: themeColor,
		Icons: []webManifestIcon{
			webManifestIcon{Source: route.Path(c.router, "appIcon", "filename", "icon-120.png"), Sizes: "120x120", Type: "image/png"},
			webManifestIcon{Source: route.Path(c.router, "appIcon", "filename", "icon-192.png"), Sizes: "192x192", Type: "image/png"},
			webManifestIcon{Source: route.Path(c.router, "appIcon", "filename", "icon-512.png"), Sizes: "512x512", Type: "image/png"},
		},
	}

	json.OK(w, r, manifest)
}
