package main

import (
	g "go.alanpearce.eu/gomponents"
	c "go.alanpearce.eu/gomponents/components"
	. "go.alanpearce.eu/gomponents/html"
)

const style = `
:root {
  --width: 800px;
  --font-main: Verdana, sans-serif;
  --font-secondary: Verdana, sans-serif;
  --font-scale: 1em;
  --background-color: #fff;
  --heading-color: #222;
  --text-color: #444;
  --link-color: #3273dc;
  --visited-color: #8b6fcb;
  --code-background-color: #f2f2f2;
  --code-color: #222;
  --blockquote-color: #222;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #01242e;
    --heading-color: #eee;
    --text-color: #ddd;
    --link-color: #8cc2dd;
    --visited-color: #8b6fcb;
    --code-background-color: #000;
    --code-color: #ddd;
    --blockquote-color: #ccc;
  }
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-scale);
  margin: auto;
  padding: 20px;
  max-width: var(--width);
  text-align: left;
  background-color: var(--background-color);
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.5;
  color: var(--text-color);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-main);
  color: var(--heading-color);
  & > a {
    color: var(--heading-color);
  }
}

a {
  color: var(--link-color);
  cursor: pointer;
}

nav a {
  margin-right: 8px;
}

strong,
b {
  color: var(--heading-color);
}

main {
  margin-top: 2ex;
  line-height: 1.6;
}

table {
  width: 100%;
}
`

func Page(config *Config, pkg string, children ...g.Node) g.Node {
	return c.HTML5(c.HTML5Props{
		Title:    config.Title,
		Language: "en-GB",
		Head: []g.Node{
			g.If(pkg != "",
				g.Group{
					Meta(Name("go-import"), Content(importString(config, pkg))),
					Meta(Name("go-source"), Content(sourceString(config, pkg))),
				},
			),
			StyleEl(g.Raw(style)),
		},
		Body: []g.Node{
			Header(
				H1(g.Text(config.Title)),
				Nav(
					g.Map(config.Menu, func(link *MenuLink) g.Node {
						return A(Href(link.URL), g.Text(link.Name))
					}),
				),
			),
			Main(
				children...,
			),
		},
		HTMLAttrs: []g.Node{},
	})
}

func ListPage(config *Config) g.Node {
	return Page(config, "",
		Table(
			THead(
				Tr(
					Th(g.Text("Name")),
					Th(g.Text("Source")),
					Th(g.Text("Documentation")),
				),
			),
			TBody(
				g.Map(config.Packages, func(pkg string) g.Node {
					return Tr(
						Td(g.Text(packageImportPath(config, pkg))),
						Td(A(Href(packageForgeURL(config, pkg)), g.Text("Source"))),
						Td(GodocBadge(config, pkg)),
					)
				}),
			),
		),
	)
}

func PackagePage(config *Config, pkg string) g.Node {
	return Page(config, pkg,
		P(
			g.Text("You're probably looking for the "),
			A(Href(godocURL(config, pkg)), g.Text("documentation")),
			g.Text("."),
		),
	)
}

func GodocBadge(config *Config, pkg string) g.Node {
	return A(Href(godocURL(config, pkg)), g.Text("Go Reference"))
}