// Package accountMessageHandler
// Path: /internal/handlers/account/messages
// File: send.go

package accountMessageHandler

import (
	"net/http"

	domain "synlotto-website/internal/domain/messages"
	templateHandlers "synlotto-website/internal/handlers/template"
	templateHelpers "synlotto-website/internal/helpers/template"

	"synlotto-website/internal/logging"
	"synlotto-website/internal/models"
	"synlotto-website/internal/platform/bootstrap"

	"github.com/gin-gonic/gin"
	"github.com/justinas/nosurf"
)

// GET /account/messages/send
// Renders: web/templates/account/messages/send.html
func (h *AccountMessageHandlers) SendGet(c *gin.Context) {
	app := c.MustGet("app").(*bootstrap.App)
	sm := app.SessionManager

	data := templateHandlers.BuildTemplateData(app, c.Writer, c.Request)
	ctx := templateHelpers.TemplateContext(c.Writer, c.Request, data)

	if f := sm.PopString(c.Request.Context(), "flash"); f != "" {
		ctx["Flash"] = f
	}
	ctx["CSRFToken"] = nosurf.Token(c.Request)
	ctx["Title"] = "Send Message"

	tmpl := templateHelpers.LoadTemplateFiles("layout.html", "web/templates/account/messages/send.html")

	c.Status(http.StatusOK)
	if err := tmpl.ExecuteTemplate(c.Writer, "layout", ctx); err != nil {
		logging.Info("❌ Template render error: %v", err)
		c.String(http.StatusInternalServerError, "Error rendering send message page")
	}
}

// POST /account/messages/send
func (h *AccountMessageHandlers) SendPost(c *gin.Context) {
	app := c.MustGet("app").(*bootstrap.App)
	sm := app.SessionManager

	userID := mustUserID(c)

	var in domain.CreateMessageInput
	if err := c.ShouldBind(&in); err != nil {
		// Re-render form with validation errors
		data := templateHandlers.BuildTemplateData(app, c.Writer, c.Request)
		ctx := templateHelpers.TemplateContext(c.Writer, c.Request, data)
		if f := sm.PopString(c.Request.Context(), "flash"); f != "" {
			ctx["Flash"] = f
		}
		ctx["CSRFToken"] = nosurf.Token(c.Request)
		ctx["Title"] = "Send Message"
		ctx["Error"] = "Please correct the errors below."
		ctx["Form"] = in

		tmpl := templateHelpers.LoadTemplateFiles(
			"layout.html",
			"web/templates/account/messages/send.html",
		)

		c.Status(http.StatusBadRequest)
		if err := tmpl.ExecuteTemplate(c.Writer, "layout", ctx); err != nil {
			logging.Info("❌ Template render error: %v", err)
			c.String(http.StatusInternalServerError, "Error rendering send message page")
		}
		return
	}

	if _, err := h.Svc.Create(userID, in); err != nil {
		ctx := templateHelpers.TemplateContext(c.Writer, c.Request, models.TemplateData{})
		if f := sm.PopString(c.Request.Context(), "flash"); f != "" {
			ctx["Flash"] = f
		}
		ctx["CSRFToken"] = nosurf.Token(c.Request)
		ctx["Title"] = "Send Message"
		ctx["Error"] = "Could not send message."
		ctx["Form"] = in

		tmpl := templateHelpers.LoadTemplateFiles(
			"layout.html",
			"web/templates/account/messages/send.html",
		)

		c.Status(http.StatusInternalServerError)
		if err := tmpl.ExecuteTemplate(c.Writer, "layout", ctx); err != nil {
			logging.Info("❌ Template render error: %v", err)
			c.String(http.StatusInternalServerError, "Error rendering send message page")
		}
		return
	}

	sm.Put(c.Request.Context(), "flash", "Message sent!")

	// Redirect back to inbox
	c.Redirect(http.StatusSeeOther, "/account/messages")
}