package handlers

import (
	"encoding/json"
	"log"
	"net/http"

	"aggios-app/backend/internal/api/middleware"
	"aggios-app/backend/internal/repository"

	"github.com/google/uuid"
)

type AgencyHandler struct {
	tenantRepo *repository.TenantRepository
}

func NewAgencyHandler(tenantRepo *repository.TenantRepository) *AgencyHandler {
	return &AgencyHandler{
		tenantRepo: tenantRepo,
	}
}

type AgencyProfileResponse struct {
	ID                string `json:"id"`
	Name              string `json:"name"`
	CNPJ              string `json:"cnpj"`
	Email             string `json:"email"`
	Phone             string `json:"phone"`
	Website           string `json:"website"`
	Address           string `json:"address"`
	Neighborhood      string `json:"neighborhood"`
	Number            string `json:"number"`
	Complement        string `json:"complement"`
	City              string `json:"city"`
	State             string `json:"state"`
	Zip               string `json:"zip"`
	RazaoSocial       string `json:"razao_social"`
	Description       string `json:"description"`
	Industry          string `json:"industry"`
	TeamSize          string `json:"team_size"`
	PrimaryColor      string `json:"primary_color"`
	SecondaryColor    string `json:"secondary_color"`
	LogoURL           string `json:"logo_url"`
	LogoHorizontalURL string `json:"logo_horizontal_url"`
}

type UpdateAgencyProfileRequest struct {
	Name              string `json:"name"`
	CNPJ              string `json:"cnpj"`
	Email             string `json:"email"`
	Phone             string `json:"phone"`
	Website           string `json:"website"`
	Address           string `json:"address"`
	Neighborhood      string `json:"neighborhood"`
	Number            string `json:"number"`
	Complement        string `json:"complement"`
	City              string `json:"city"`
	State             string `json:"state"`
	Zip               string `json:"zip"`
	RazaoSocial       string `json:"razao_social"`
	Description       string `json:"description"`
	Industry          string `json:"industry"`
	TeamSize          string `json:"team_size"`
	PrimaryColor      string `json:"primary_color"`
	SecondaryColor    string `json:"secondary_color"`
	LogoURL           string `json:"logo_url"`
	LogoHorizontalURL string `json:"logo_horizontal_url"`
}

// GetProfile returns the current agency profile
func (h *AgencyHandler) GetProfile(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// Get tenant from context (set by auth middleware)
	tenantID := r.Context().Value(middleware.TenantIDKey)
	
	if tenantID == nil {
		http.Error(w, "Tenant not found in context", http.StatusUnauthorized)
		return
	}

	// Parse tenant ID
	tid, err := uuid.Parse(tenantID.(string))
	if err != nil {
		http.Error(w, "Invalid tenant ID", http.StatusBadRequest)
		return
	}

	// Get tenant from database
	tenant, err := h.tenantRepo.FindByID(tid)
	if err != nil {
		http.Error(w, "Error fetching profile", http.StatusInternalServerError)
		return
	}
	if tenant == nil {
		http.Error(w, "Tenant not found", http.StatusNotFound)
		return
	}

	log.Printf("🔍 GetProfile for tenant %s: Found %s", tid, tenant.Name)
	log.Printf("📄 Tenant Data: Address=%s, Number=%s, TeamSize=%s, RazaoSocial=%s", 
		tenant.Address, tenant.Number, tenant.TeamSize, tenant.RazaoSocial)

	response := AgencyProfileResponse{
		ID:                tenant.ID.String(),
		Name:              tenant.Name,
		CNPJ:              tenant.CNPJ,
		Email:             tenant.Email,
		Phone:             tenant.Phone,
		Website:           tenant.Website,
		Address:           tenant.Address,
		Neighborhood:      tenant.Neighborhood,
		Number:            tenant.Number,
		Complement:        tenant.Complement,
		City:              tenant.City,
		State:             tenant.State,
		Zip:               tenant.Zip,
		RazaoSocial:       tenant.RazaoSocial,
		Description:       tenant.Description,
		Industry:          tenant.Industry,
		TeamSize:          tenant.TeamSize,
		PrimaryColor:      tenant.PrimaryColor,
		SecondaryColor:    tenant.SecondaryColor,
		LogoURL:           tenant.LogoURL,
		LogoHorizontalURL: tenant.LogoHorizontalURL,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}

// UpdateProfile updates the current agency profile
func (h *AgencyHandler) UpdateProfile(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPut && r.Method != http.MethodPatch {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	// Get tenant from context (set by auth middleware)
	tenantID := r.Context().Value(middleware.TenantIDKey)
	if tenantID == nil {
		http.Error(w, "Tenant not found", http.StatusUnauthorized)
		return
	}

	var req UpdateAgencyProfileRequest
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}

	// Parse tenant ID
	tid, err := uuid.Parse(tenantID.(string))
	if err != nil {
		http.Error(w, "Invalid tenant ID", http.StatusBadRequest)
		return
	}

	// Prepare updates
	updates := map[string]interface{}{
		"name":                 req.Name,
		"cnpj":                 req.CNPJ,
		"razao_social":         req.RazaoSocial,
		"email":                req.Email,
		"phone":                req.Phone,
		"website":              req.Website,
		"address":              req.Address,
		"neighborhood":         req.Neighborhood,
		"number":               req.Number,
		"complement":           req.Complement,
		"city":                 req.City,
		"state":                req.State,
		"zip":                  req.Zip,
		"description":          req.Description,
		"industry":             req.Industry,
		"team_size":            req.TeamSize,
		"primary_color":        req.PrimaryColor,
		"secondary_color":      req.SecondaryColor,
		"logo_url":             req.LogoURL,
		"logo_horizontal_url":  req.LogoHorizontalURL,
	}

	// Update in database
	if err := h.tenantRepo.UpdateProfile(tid, updates); err != nil {
		http.Error(w, "Error updating profile", http.StatusInternalServerError)
		return
	}

	// Fetch updated data
	tenant, err := h.tenantRepo.FindByID(tid)
	if err != nil {
		http.Error(w, "Error fetching updated profile", http.StatusInternalServerError)
		return
	}

	response := AgencyProfileResponse{
		ID:                tenant.ID.String(),
		Name:              tenant.Name,
		CNPJ:              tenant.CNPJ,
		Email:             tenant.Email,
		Phone:             tenant.Phone,
		Website:           tenant.Website,
		Address:           tenant.Address,
		Neighborhood:      tenant.Neighborhood,
		Number:            tenant.Number,
		Complement:        tenant.Complement,
		City:              tenant.City,
		State:             tenant.State,
		Zip:               tenant.Zip,
		RazaoSocial:       tenant.RazaoSocial,
		Description:       tenant.Description,
		Industry:          tenant.Industry,
		TeamSize:          tenant.TeamSize,
		PrimaryColor:      tenant.PrimaryColor,
		SecondaryColor:    tenant.SecondaryColor,
		LogoURL:           tenant.LogoURL,
		LogoHorizontalURL: tenant.LogoHorizontalURL,
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(response)
}