package glpi

import (
	"context"
	"fmt"
	"net/http"
)

// Profile is one GLPI profile of the logged-in user (GET /getMyProfiles,
// GET /Profile/<id>). The myprofiles rows carry NO is_active on the
// real wire — the active profile is detected via GetActiveProfile.
type Profile struct {
	ID       int    `json:"id"`
	Name     string `json:"name"`
	IsActive bool   `json:"is_active"`
}

// GetMyProfiles lists the profiles of the logged-in user. GLPI's REAL
// wire shape (verified against prod cmdb 2026-09-03) is a WRAPPED
// object — {"myprofiles":[{"id":N,"name":"...","entities":[...]},...]} —
// NOT a bare array; rows may carry extra fields (entities, comments)
// which are ignored here. IsActive is left false by this call.
func (c *Client) GetMyProfiles(ctx context.Context) ([]Profile, error) {
	var body struct {
		MyProfiles []Profile `json:"myprofiles"`
	}
	if err := c.call(ctx, http.MethodGet, "/getMyProfiles", nil, nil, &body); err != nil {
		return nil, err
	}
	return body.MyProfiles, nil
}

// GetActiveProfile returns the id of the session's active profile
// (GET /getActiveProfile → {"active_profile":{...,"id":N,...}}).
func (c *Client) GetActiveProfile(ctx context.Context) (int, error) {
	var body struct {
		ActiveProfile struct {
			ID int `json:"id"`
		} `json:"active_profile"`
	}
	if err := c.call(ctx, http.MethodGet, "/getActiveProfile", nil, nil, &body); err != nil {
		return 0, err
	}
	if body.ActiveProfile.ID == 0 {
		return 0, fmt.Errorf("%w: getActiveProfile returned no id", ErrMalformedResponse)
	}
	return body.ActiveProfile.ID, nil
}

// ChangeActiveProfile switches the session's active profile
// (POST /changeActiveProfile with {"profiles_id":N}). Agent mode uses
// this to move into the right role (e.g. 5 = Hotliner) after
// InitSession; servers that gate operations per profile then accept the
// calls that were previously rejected.
func (c *Client) ChangeActiveProfile(ctx context.Context, profileID int) error {
	if profileID <= 0 {
		return fmt.Errorf("%w: profile id must be positive", ErrValidation)
	}
	payload := map[string]any{"profiles_id": profileID}
	// The endpoint answers `true` — nothing to parse.
	return c.call(ctx, http.MethodPost, "/changeActiveProfile", nil, payload, nil)
}