package doc

import (
	"context"
	"html/template"
	"log"
	"net/http"

	"git.sr.ht/~evanj/cms/internal/c"
	"git.sr.ht/~evanj/cms/internal/m/tier"
	"git.sr.ht/~evanj/cms/internal/m/user"
	"git.sr.ht/~evanj/cms/internal/v"
)

var pages = map[string]*template.Template{
	"/page/doc":     v.MustParse("html/doc.html"),
	"/page/faq":     v.MustParse("html/faq.html"),
	"/page/terms":   v.MustParse("html/terms.html"),
	"/page/privacy": v.MustParse("html/privacy.html"),
	"/page/contact": v.MustParse("html/contact.html"),
	"/page/billing": v.MustParse("html/billing.html"),
	"/page/stripe":  v.MustParse("html/stripe.html"),
	"/page/tour":    v.MustParse("html/tour.html"),
}

type Doc struct {
	*c.Controller
	log *log.Logger
}

type dber interface {
	UserGet(ctx context.Context, username, password string) (user.User, error)
	UserGetFromToken(ctx context.Context, token string) (user.User, error)
}

func New(c *c.Controller, log *log.Logger) *Doc {
	return &Doc{c, log}
}

func (d *Doc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	user, _ := d.GetCookieUser(w, r) // Don't need a user for documentation.
	page, ok := pages[r.URL.Path]
	if !ok {
		http.NotFound(w, r)
		return
	}

	q := r.URL.Query()

	d.HTML(w, r, page, map[string]interface{}{
		"User":  user,
		"Tiers": tier.Tiers,
		// Only used for signup billing.
		"StripeCheckoutSessionID": q.Get("StripeCheckoutSessionID"),
		"StripePK":                q.Get("StripePK"),
	})
}