package basics

import (
	"github.com/qor5/docs/docsrc/generated"
	. "github.com/theplant/docgo"
	"github.com/theplant/docgo/ch"
	"github.com/theplant/htmlgo"
)

var SEO = Doc(
	htmlgo.Text("The SEO library allows for the management and injection of dynamic data into HTML tags for the purpose of Search Engine Optimisation."),
	htmlgo.H2("Definition"),
	htmlgo.H5(`Collection is used to manage all SEO and render seo setting to html data.`),
	ch.Code(generated.SeoCollectionDefinition).Language("go"),
	htmlgo.H5(`SEO is used to provide system-level default page matadata.`),
	ch.Code(generated.SeoDefinition).Language("go"),
	htmlgo.H5(`You can use seo setting at the model level, but you need to register the model to the system SEO`),
	ch.Code(generated.SeoModelExample).Language("go"),
	ch.Code(`collection.RegisterSEO(&Product{})`).Language("go"),
	htmlgo.H5(`Support customizing your own seo setting when you need more functions such as l10n, publish. Only need to implement this interface.`),
	ch.Code(generated.QorSEOSettingInterface).Language("go"),
	Markdown(`
## Usage
- Create a SEO collection
~~~go
// Create a collection and register global seo by default
collection := seo.NewCollection()

// Change the default global name
collection.SetGlobalName("My Global SEO")

// Change the default context db key
collection.SetDBContextKey("My DB")

// Change the default seo model setting
type MySEOSetting struct{
	QorSEOSetting
	publish
	l10n
}
collection.SetSettingModel(&MySEOSetting{})

// Turn off the default inherit the upper level SEO data when the current SEO data is missing
collection.SetInherited(false)

~~~

- Register and remove SEO

~~~go
// Register mutiple SEO by name
collection.RegisterSEOByNames("Not Found", "Internal Server Error")

// Register a SEO by model
type Product struct{
	Name  string
	Setting Setting
}
collection.RegisterSEO(&Product{})

// Remove a SEO
collection.RemoveSEO(&Product{}).RemoveSEO("Not Found")
~~~

- Configure SEO

~~~go
// Change the default SEO name when register a SEO by model

collection.RegisterSEO(&Product{}).SetName("My Product")

// Register a context Variable
collection.RegisterSEO(&Product{}).
			RegisterContextVariables("og:image", func(obj interface{}, _ *Setting, _ *http.Request) string {
						return obj.image.url
					}).
			RegisterContextVariables("Name", func(obj interface{}, _ *Setting, _ *http.Request) string {
						return obj.Name
					})


// Register setting variable
collection.RegisterSEO(&Product{}).
			RegisterSettingVaribles(struct{ProductTag string}{})
~~~

- Render SEO html data

~~~go
// Render Global SEO
collection.RenderGlobal(request)

// Render SEO by a name
collection.Render("product", request)

// Render SEO by a model
collection.Render(Product{}, request)
~~~

`),
	htmlgo.H2("Example"),
	ch.Code(generated.SeoExample).Language("go"),
).Title("SEO")