// Copyright 2016 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package hugolib

import (
	"fmt"
	"path/filepath"
	"testing"

	jww "github.com/spf13/jwalterweatherman"
	"github.com/spf13/viper"
	"github.com/stretchr/testify/require"
)

/*
	This file will test the "making everything a page" transition.

	See https://github.com/spf13/hugo/issues/2297

*/

func TestNodesAsPage(t *testing.T) {
	//jww.SetStdoutThreshold(jww.LevelDebug)
	jww.SetStdoutThreshold(jww.LevelFatal)

	nodePageFeatureFlag = true
	defer toggleNodePageFeatureFlag()

	/* Will have to decide what to name the node content files, but:

		Home page should have:
		Content, shortcode support
	   	Metadata (title, dates etc.)
		Params
	   	Taxonomies (categories, tags)

	*/

	testCommonResetState()

	writeSource(t, filepath.Join("content", "_node.md"), `---
title: Home Sweet Home!
---
Home **Content!**
`)

	writeSource(t, filepath.Join("content", "sect1", "_node.md"), `---
title: Section1
---
Section1 **Content!**
`)

	writeSource(t, filepath.Join("content", "sect2", "_node.md"), `---
title: Section2
---
Section2 **Content!**
`)

	writeSource(t, filepath.Join("layouts", "index.html"), `
Index Title: {{ .Title }}
Index Content: {{ .Content }}
# Pages: {{ len .Data.Pages }}
{{ range .Paginator.Pages }}
	Pag: {{ .Title }}
{{ end }}
`)

	writeSource(t, filepath.Join("layouts", "_default", "single.html"), `
Single Title: {{ .Title }}
Single Content: {{ .Content }}
`)

	writeSource(t, filepath.Join("layouts", "_default", "section.html"), `
Section Title: {{ .Title }}
Section Content: {{ .Content }}
# Pages: {{ len .Data.Pages }}
{{ range .Paginator.Pages }}
	Pag: {{ .Title }}
{{ end }}
`)

	// Add some regular pages
	for i := 1; i <= 4; i++ {
		sect := "sect1"
		if i > 2 {
			sect = "sect2"
		}
		writeSource(t, filepath.Join("content", sect, fmt.Sprintf("regular%d.md", i)), fmt.Sprintf(`---
title: Page %02d
categories: Hugo
---
Content Page %02d
`, i, i))
	}

	viper.Set("paginate", 1)

	s := newSiteDefaultLang()

	if err := buildAndRenderSite(s); err != nil {
		t.Fatalf("Failed to build site: %s", err)
	}

	assertFileContent(t, filepath.Join("public", "index.html"), false,
		"Index Title: Home Sweet Home!",
		"Home <strong>Content!</strong>",
		"# Pages: 4")

	assertFileContent(t, filepath.Join("public", "sect1", "regular1", "index.html"), false, "Single Title: Page 01", "Content Page 01")

	h := s.owner
	nodes := h.findPagesByNodeType(NodeHome)
	require.Len(t, nodes, 1)

	home := nodes[0]

	require.True(t, home.IsHome())
	require.True(t, home.IsNode())
	require.False(t, home.IsPage())

	pages := h.findPagesByNodeType(NodePage)
	require.Len(t, pages, 4)

	first := pages[0]
	require.False(t, first.IsHome())
	require.False(t, first.IsNode())
	require.True(t, first.IsPage())

	first.Paginator()

	// Check Home paginator
	assertFileContent(t, filepath.Join("public", "page", "2", "index.html"), false,
		"Pag: Page 02")

	// Check Sections
	assertFileContent(t, filepath.Join("public", "sect1", "index.html"), false, "Section Title: Section", "Section1 <strong>Content!</strong>")
	assertFileContent(t, filepath.Join("public", "sect2", "index.html"), false, "Section Title: Section", "Section2 <strong>Content!</strong>")

	// Check Sections paginator
	assertFileContent(t, filepath.Join("public", "sect1", "page", "2", "index.html"), false,
		"Pag: Page 02")

	sections := h.findPagesByNodeType(NodeSection)
	require.Len(t, sections, 2)

}