package handlers

import (
	"time"

	"github.com/gofiber/fiber/v2"

	"github.com/buhapp/backend/internal/audit"
	"github.com/buhapp/backend/internal/consent"
)

type ConsentHandlers struct {
	Consent *consent.Repo
	Audit   *audit.Repo
}

func NewConsentHandlers(c *consent.Repo, a *audit.Repo) *ConsentHandlers {
	return &ConsentHandlers{Consent: c, Audit: a}
}

type consentRequest struct {
	Adult      bool `json:"adult"`
	Terms      bool `json:"terms"`
	Privacy    bool `json:"privacy"`
	Disclaimer bool `json:"disclaimer"`
}

func (h *ConsentHandlers) Accept(c *fiber.Ctx) error {
	me, err := userID(c)
	if err != nil {
		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "no user"})
	}
	var req consentRequest
	if err := c.BodyParser(&req); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "invalid JSON"})
	}
	if !req.Adult || !req.Terms || !req.Privacy || !req.Disclaimer {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "all consents required"})
	}
	docs := []struct {
		Type consent.DocType
	}{
		{consent.DocTerms},
		{consent.DocPrivacy},
		{consent.DocDisclaimer},
		{consent.DocAdult},
	}
	for _, d := range docs {
		err := h.Consent.Record(c.UserContext(), &consent.Consent{
			UserID:     me,
			DocType:    d.Type,
			DocVersion: "1.0",
			IP:         c.IP(),
			UserAgent:  c.Get("User-Agent"),
		})
		if err != nil {
			return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "db error"})
		}
	}

	_ = h.Audit.Log(c.UserContext(), &audit.Event{
		UserID: &me, Action: "consents.accept",
		IP: c.IP(), UserAgent: c.Get("User-Agent"),
	})
	return c.JSON(fiber.Map{"ok": true, "accepted_at": time.Now()})
}