package app

import (
	"net/http"
	"strconv"
	"strings"

	"archi_folio/internal/store"
)

func (s *Server) adminUpdateContent(w http.ResponseWriter, r *http.Request) {
	if err := parseAdminForm(w, r, maxFormBytes); err != nil {
		s.redirectAdmin(w, r, "main", "content form failed")
		return
	}
	current, err := s.store.SiteContent(r.Context())
	if err != nil {
		s.redirectAdmin(w, r, "main", "content could not be loaded")
		return
	}
	content := store.SiteContent{
		HeroTitle:    strings.TrimSpace(r.FormValue("hero_title")),
		HeroSubtitle: strings.TrimSpace(r.FormValue("hero_subtitle")),
		IntroTitle:   strings.TrimSpace(r.FormValue("intro_title")),
		IntroText:    strings.TrimSpace(r.FormValue("intro_text")),
		AboutName:    strings.TrimSpace(r.FormValue("about_name")),
		AboutRole:    strings.TrimSpace(r.FormValue("about_role")),
		AboutBio:     strings.TrimSpace(r.FormValue("about_bio")),
		Email:        current.Email,
		Phone:        current.Phone,
		Location:     current.Location,
		HeroImage:    r.FormValue("hero_image_current"),
		AboutImage:   r.FormValue("about_image_current"),
	}
	if err := validateContent(content); err != nil {
		s.redirectAdmin(w, r, "main", err.Error())
		return
	}
	if path, ok, err := s.saveUpload(r, "hero_image"); err != nil {
		s.redirectAdmin(w, r, "main", "hero image "+err.Error())
		return
	} else if ok {
		content.HeroImage = path
	}
	if path, ok, err := s.saveUpload(r, "about_image"); err != nil {
		s.redirectAdmin(w, r, "main", "about image "+err.Error())
		return
	} else if ok {
		content.AboutImage = path
	}
	if err := s.store.UpdateSiteContent(r.Context(), content); err != nil {
		s.redirectAdmin(w, r, "main", "content could not be saved")
		return
	}
	s.redirectAdmin(w, r, "main", "content saved")
}

func (s *Server) adminUpdateContactDetails(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		s.redirectAdmin(w, r, "contact-details", "contact details form failed")
		return
	}
	content, err := s.store.SiteContent(r.Context())
	if err != nil {
		s.redirectAdmin(w, r, "contact-details", "contact details could not be loaded")
		return
	}
	content.Email = strings.TrimSpace(r.FormValue("email"))
	content.Phone = strings.TrimSpace(r.FormValue("phone"))
	content.Location = strings.TrimSpace(r.FormValue("location"))
	if err := validateContactDetails(content); err != nil {
		s.redirectAdmin(w, r, "contact-details", err.Error())
		return
	}
	if err := s.store.UpdateSiteContent(r.Context(), content); err != nil {
		s.redirectAdmin(w, r, "contact-details", "contact details could not be saved")
		return
	}
	s.redirectAdmin(w, r, "contact-details", "contact details saved")
}

func (s *Server) adminCreateProject(w http.ResponseWriter, r *http.Request) {
	if err := parseAdminForm(w, r, maxFormBytes); err != nil {
		s.redirectAdmin(w, r, "projects", "project form failed")
		return
	}
	cover := "/static/placeholders/project-1.svg"
	if path, ok, err := s.saveUpload(r, "cover_image"); err != nil {
		s.redirectAdmin(w, r, "projects", "cover upload "+err.Error())
		return
	} else if ok {
		cover = path
	}
	slug := strings.TrimSpace(r.FormValue("slug"))
	if slug == "" {
		slug = store.SlugFromTitle(r.FormValue("title"))
	} else {
		slug = store.SlugFromTitle(slug)
	}
	project := store.Project{
		Slug:        slug,
		Title:       strings.TrimSpace(r.FormValue("title")),
		Location:    strings.TrimSpace(r.FormValue("location")),
		Year:        strings.TrimSpace(r.FormValue("year")),
		Category:    strings.TrimSpace(r.FormValue("category")),
		Description: strings.TrimSpace(r.FormValue("description")),
		CoverImage:  cover,
		Featured:    r.FormValue("featured") == "on",
	}
	if err := validateProject(project); err != nil {
		s.redirectAdmin(w, r, "projects", err.Error())
		return
	}
	id, err := s.store.CreateProject(r.Context(), project)
	if err != nil {
		s.redirectAdmin(w, r, "projects", "project could not be created")
		return
	}
	_ = s.store.AddProjectImage(r.Context(), id, cover, r.FormValue("title"))
	s.redirectAdmin(w, r, "projects", "project created")
}

func (s *Server) adminUpdateProject(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err != nil {
		http.NotFound(w, r)
		return
	}
	if err := parseAdminForm(w, r, maxFormBytes); err != nil {
		s.redirectAdmin(w, r, "projects", "project form failed")
		return
	}
	cover := r.FormValue("cover_image_current")
	if path, ok, err := s.saveUpload(r, "cover_image"); err != nil {
		s.redirectAdmin(w, r, "projects", "cover upload "+err.Error())
		return
	} else if ok {
		cover = path
	}
	slug := strings.TrimSpace(r.FormValue("slug"))
	if slug == "" {
		slug = store.SlugFromTitle(r.FormValue("title"))
	} else {
		slug = store.SlugFromTitle(slug)
	}
	project := store.Project{
		ID:          id,
		Slug:        slug,
		Title:       strings.TrimSpace(r.FormValue("title")),
		Location:    strings.TrimSpace(r.FormValue("location")),
		Year:        strings.TrimSpace(r.FormValue("year")),
		Category:    strings.TrimSpace(r.FormValue("category")),
		Description: strings.TrimSpace(r.FormValue("description")),
		CoverImage:  cover,
		Featured:    r.FormValue("featured") == "on",
	}
	if err := validateProject(project); err != nil {
		s.redirectAdmin(w, r, "projects", err.Error())
		return
	}
	err = s.store.UpdateProject(r.Context(), project)
	if err != nil {
		s.redirectAdmin(w, r, "projects", "project could not be saved")
		return
	}
	s.redirectAdmin(w, r, "projects", "project saved")
}

func (s *Server) adminDeleteProject(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err == nil {
		err = s.store.DeleteProject(r.Context(), id)
	}
	if err != nil {
		s.redirectAdmin(w, r, "projects", "project could not be deleted")
		return
	}
	s.redirectAdmin(w, r, "projects", "project deleted")
}

func (s *Server) adminAddProjectImage(w http.ResponseWriter, r *http.Request) {
	projectID, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err != nil {
		http.NotFound(w, r)
		return
	}
	if err := parseAdminForm(w, r, maxFormBytes); err != nil {
		s.redirectAdmin(w, r, "projects", "image form failed")
		return
	}
	path, ok, err := s.saveUpload(r, "image")
	if err != nil || !ok {
		if err != nil {
			s.redirectAdmin(w, r, "projects", "image upload "+err.Error())
			return
		}
		s.redirectAdmin(w, r, "projects", "image upload failed")
		return
	}
	if err := s.store.AddProjectImage(r.Context(), projectID, path, r.FormValue("caption")); err != nil {
		s.redirectAdmin(w, r, "projects", "image could not be added")
		return
	}
	s.redirectAdmin(w, r, "projects", "image added")
}

func (s *Server) adminDeleteProjectImage(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err == nil {
		err = s.store.DeleteProjectImage(r.Context(), id)
	}
	if err != nil {
		s.redirectAdmin(w, r, "projects", "image could not be deleted")
		return
	}
	s.redirectAdmin(w, r, "projects", "image deleted")
}