package fa

import (
	"context"
	"fmt"
	"strings"
	"time"

	"github.com/PuerkitoBio/goquery"

	"git.anthrove.art/public/go-fa-api/internal/urls"
)

// User is a user's full profile page, as seen on /user/{name}/.
type User struct {
	UserRef
	Title       string         // user-set "title" / artist headline
	Joined      time.Time      // registration date
	BioHTML     string         // raw profile HTML
	BioText     string         // plaintext convenience
	Stats       UserStats      // submission/view/journal/watcher counts
	Contacts    []UserContact  // social/contact rows
	Shouts      []Shout        // most recent shouts shown on the page
	FeaturedSub *SubmissionRef // pinned/featured submission, if any
	SiteBanner  *SiteBanner    // header banner; IsCustom=false when FA's default is shown

	// Watched is true when the logged-in viewer currently watches this user
	// i.e. the profile header renders an "Unwatch" button. It is false
	// both when the viewer does not watch the user and when no watch button
	// is present at all (anonymous session, or viewing your own page), so
	// it is only meaningful on another user's page while logged in.
	Watched bool
}

// GetUser fetches a user profile by URL-safe name (FA's lowercase login form).
func (c *Client) GetUser(ctx context.Context, name string, opts ...Option) (*User, error) {
	name = strings.TrimSpace(name)
	if name == "" {
		return nil, fmt.Errorf("fa: GetUser: empty name")
	}
	var out *User
	err := c.fetch(ctx, urls.User(name), func(doc *goquery.Document) error {
		u, err := parseUser(name, doc)
		if err != nil {
			return err
		}
		out = u
		return nil
	}, opts...)
	if err != nil {
		return nil, err
	}
	return out, nil
}