package controllers

import (
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"strings"
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/sujit-baniya/fiber-boilerplate/pkg/models"
)

func coolifyDo(method, endpoint string, reqBody io.Reader, contentType string, cfg *models.CoolifyConfig) ([]byte, int, error) {
	base := strings.TrimRight(cfg.BaseURL, "/")
	url := fmt.Sprintf("%s/api/v1%s", base, endpoint)
	client := &http.Client{Timeout: 30 * time.Second}
	req, err := http.NewRequest(method, url, reqBody)
	if err != nil {
		return nil, 0, err
	}
	req.Header.Set("Authorization", "Bearer "+cfg.ApiToken)
	req.Header.Set("Accept", "application/json")
	if contentType != "" {
		req.Header.Set("Content-Type", contentType)
	}
	resp, err := client.Do(req)
	if err != nil {
		return nil, 0, err
	}
	defer resp.Body.Close()
	body, _ := io.ReadAll(io.LimitReader(resp.Body, 1024*1024))
	return body, resp.StatusCode, nil
}

func coolifyProxy(c *fiber.Ctx, method, endpoint string) error {
	cfg, err := models.GetCoolifyConfig()
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Configura primero la integración Coolify"})
	}
	if !cfg.Activo {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "La integración Coolify está inactiva"})
	}
	ep := endpoint
	if qs := string(c.Request().URI().QueryString()); qs != "" {
		ep = endpoint + "?" + qs
	}
	var bodyReader io.Reader
	ct := ""
	if raw := c.Body(); len(raw) > 0 {
		bodyReader = strings.NewReader(string(raw))
		ct = c.Get("Content-Type", "application/json")
	}
	body, status, err := coolifyDo(method, ep, bodyReader, ct, cfg)
	if err != nil {
		return c.Status(fiber.StatusBadGateway).JSON(fiber.Map{"error": err.Error()})
	}
	var result json.RawMessage
	if err := json.Unmarshal(body, &result); err != nil {
		result = json.RawMessage(fmt.Sprintf(`{"raw":%q}`, string(body)))
	}
	c.Status(status)
	return c.JSON(result)
}

func CoolifyIndex(c *fiber.Ctx) error {
	cfg, _ := models.GetCoolifyConfig()
	return c.Render("coolify", fiber.Map{
		"user":    c.Locals("user").(map[string]interface{}),
		"modules": c.Locals("userModules"),
		"config":  cfg,
	}, "layouts/main")
}

func CoolifyGetConfig(c *fiber.Ctx) error {
	cfg, err := models.GetCoolifyConfig()
	if err != nil {
		return c.JSON(fiber.Map{"config": nil})
	}
	masked := "••••••••"
	if cfg.ApiToken == "" {
		masked = ""
	}
	return c.JSON(fiber.Map{"config": fiber.Map{
		"ID":        cfg.ID,
		"nombre":    cfg.Nombre,
		"base_url":  cfg.BaseURL,
		"api_token": masked,
		"activo":    cfg.Activo,
	}})
}

func CoolifySaveConfig(c *fiber.Ctx) error {
	type Req struct {
		Nombre   string `json:"nombre"`
		BaseURL  string `json:"base_url"`
		ApiToken string `json:"api_token"`
		Activo   bool   `json:"activo"`
	}
	var req Req
	if err := c.BodyParser(&req); err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "body inválido"})
	}
	req.BaseURL = strings.TrimRight(strings.TrimSpace(req.BaseURL), "/")
	if req.BaseURL == "" {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "base_url es requerido"})
	}
	cfg, err := models.UpsertCoolifyConfig(req.Nombre, req.BaseURL, req.ApiToken, req.Activo)
	if err != nil {
		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
	}
	return c.JSON(fiber.Map{"ok": true, "config": cfg})
}

func CoolifyTestConnection(c *fiber.Ctx) error {
	cfg, err := models.GetCoolifyConfig()
	if err != nil {
		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Sin config"})
	}
	base := strings.TrimRight(cfg.BaseURL, "/")
	client := &http.Client{Timeout: 10 * time.Second}
	resp, err := client.Get(base + "/api/health")
	if err != nil {
		return c.Status(fiber.StatusBadGateway).JSON(fiber.Map{"error": err.Error()})
	}
	defer resp.Body.Close()
	body, _ := io.ReadAll(io.LimitReader(resp.Body, 64*1024))
	var result json.RawMessage
	if jsonErr := json.Unmarshal(body, &result); jsonErr != nil {
		result = json.RawMessage(fmt.Sprintf(`{"raw":%q}`, string(body)))
	}
	c.Status(resp.StatusCode)
	return c.JSON(result)
}

func CoolifyListApplications(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications")
}
func CoolifyGetApplication(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid"))
}
func CoolifyApplicationLogs(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/logs")
}
func CoolifyApplicationEnvs(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/envs")
}
func CoolifyApplicationEnvCreate(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodPost, "/applications/"+c.Params("uuid")+"/envs")
}
func CoolifyApplicationEnvUpdateBulk(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodPatch, "/applications/"+c.Params("uuid")+"/envs")
}
func CoolifyApplicationEnvDelete(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodDelete, "/applications/"+c.Params("uuid")+"/envs/"+c.Params("env_id"))
}
func CoolifyApplicationStart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/start")
}
func CoolifyApplicationStop(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/stop")
}
func CoolifyApplicationRestart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/restart")
}
func CoolifyApplicationDeployments(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/applications/"+c.Params("uuid")+"/deployments")
}
func CoolifyApplicationDeploy(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodPost, "/deploy")
}

func CoolifyListServers(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/servers")
}
func CoolifyGetServer(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/servers/"+c.Params("uuid"))
}
func CoolifyServerResources(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/servers/"+c.Params("uuid")+"/resources")
}
func CoolifyServerDomains(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/servers/"+c.Params("uuid")+"/domains")
}
func CoolifyServerValidate(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/servers/"+c.Params("uuid")+"/validate")
}

func CoolifyListServices(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services")
}
func CoolifyGetService(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services/"+c.Params("uuid"))
}
func CoolifyServiceStart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services/"+c.Params("uuid")+"/start")
}
func CoolifyServiceStop(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services/"+c.Params("uuid")+"/stop")
}
func CoolifyServiceRestart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services/"+c.Params("uuid")+"/restart")
}
func CoolifyServiceEnvs(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/services/"+c.Params("uuid")+"/envs")
}
func CoolifyServiceEnvUpdateBulk(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodPatch, "/services/"+c.Params("uuid")+"/envs")
}

func CoolifyListDatabases(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/databases")
}
func CoolifyGetDatabase(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/databases/"+c.Params("uuid"))
}
func CoolifyDatabaseStart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/databases/"+c.Params("uuid")+"/start")
}
func CoolifyDatabaseStop(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/databases/"+c.Params("uuid")+"/stop")
}
func CoolifyDatabaseRestart(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/databases/"+c.Params("uuid")+"/restart")
}

func CoolifyListProjects(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/projects")
}
func CoolifyGetProject(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/projects/"+c.Params("uuid"))
}
func CoolifyProjectEnvironments(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/projects/"+c.Params("uuid")+"/environments")
}

func CoolifyListDeployments(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/deployments")
}
func CoolifyGetDeployment(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/deployments/"+c.Params("uuid"))
}

func CoolifyListTeams(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/teams")
}
func CoolifyCurrentTeam(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/teams/current")
}
func CoolifyTeamMembers(c *fiber.Ctx) error {
	return coolifyProxy(c, http.MethodGet, "/teams/current/members")
}