package handlers

import (
	"net/http"

	"ezops/internal/models"

	"github.com/gin-gonic/gin"
	"gorm.io/gorm"
)

// DeployHandler 发布系统处理器
type DeployHandler struct {
	db *gorm.DB
}

func NewDeployHandler(db *gorm.DB) *DeployHandler {
	return &DeployHandler{db: db}
}

// ==================== Git 仓库认证 ====================

func (h *DeployHandler) ListRepos(c *gin.Context) {
	var items []models.PipelineRepo
	h.db.Order("updated_at DESC").Find(&items)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: models.ListResponse{List: items, Total: int64(len(items))}})
}

func (h *DeployHandler) GetRepo(c *gin.Context) {
	var item models.PipelineRepo
	if err := h.db.First(&item, c.Param("id")); err.Error != nil {
		c.JSON(http.StatusNotFound, models.Response{Code: 404, Message: "不存在"})
		return
	}
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) CreateRepo(c *gin.Context) {
	var req struct {
		Name         string             `json:"name" binding:"required"`
		Description  string             `json:"description"`
		URL          string             `json:"url" binding:"required"`
		AuthType     models.RepoAuthType `json:"auth_type"`
		CredentialID *uint              `json:"credential_id"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, models.Response{Code: 400, Message: err.Error()})
		return
	}
	if req.AuthType == "" { req.AuthType = models.RepoAuthToken }
	item := models.PipelineRepo{
		Name: req.Name, Description: req.Description, URL: req.URL,
		AuthType: req.AuthType, CredentialID: req.CredentialID,
		CreatedBy: c.GetString("username"),
	}
	h.db.Create(&item)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) UpdateRepo(c *gin.Context) {
	var item models.PipelineRepo
	if err := h.db.First(&item, c.Param("id")); err.Error != nil {
		c.JSON(http.StatusNotFound, models.Response{Code: 404, Message: "不存在"})
		return
	}
	var req struct {
		Name         *string             `json:"name"`
		Description  *string             `json:"description"`
		URL          *string             `json:"url"`
		AuthType     *models.RepoAuthType `json:"auth_type"`
		CredentialID *uint               `json:"credential_id"`
		Enabled      *bool               `json:"enabled"`
	}
	c.ShouldBindJSON(&req)
	updates := map[string]interface{}{}
	if req.Name != nil { updates["name"] = *req.Name }
	if req.Description != nil { updates["description"] = *req.Description }
	if req.URL != nil { updates["url"] = *req.URL }
	if req.AuthType != nil { updates["auth_type"] = *req.AuthType }
	if req.Enabled != nil { updates["enabled"] = *req.Enabled }
	if req.CredentialID != nil { updates["credential_id"] = req.CredentialID }
	h.db.Model(&item).Updates(updates)
	h.db.First(&item, item.ID)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) DeleteRepo(c *gin.Context) {
	h.db.Delete(&models.PipelineRepo{}, c.Param("id"))
	c.JSON(http.StatusOK, models.Response{Code: 200, Message: "已删除"})
}

// ==================== 镜像仓库认证 ====================

func (h *DeployHandler) ListRegistries(c *gin.Context) {
	var items []models.PipelineRegistry
	h.db.Order("updated_at DESC").Find(&items)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: models.ListResponse{List: items, Total: int64(len(items))}})
}

func (h *DeployHandler) GetRegistry(c *gin.Context) {
	var item models.PipelineRegistry
	if err := h.db.First(&item, c.Param("id")); err.Error != nil {
		c.JSON(http.StatusNotFound, models.Response{Code: 404, Message: "不存在"})
		return
	}
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) CreateRegistry(c *gin.Context) {
	var req struct {
		Name         string                  `json:"name" binding:"required"`
		Description  string                  `json:"description"`
		RegistryURL  string                  `json:"registry_url" binding:"required"`
		Namespace    string                  `json:"namespace"`
		AuthType     models.RegistryAuthType `json:"auth_type"`
		CredentialID *uint                   `json:"credential_id"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, models.Response{Code: 400, Message: err.Error()})
		return
	}
	if req.AuthType == "" { req.AuthType = models.RegistryAuthPassword }
	item := models.PipelineRegistry{
		Name: req.Name, Description: req.Description, RegistryURL: req.RegistryURL,
		Namespace: req.Namespace, AuthType: req.AuthType, CredentialID: req.CredentialID,
		CreatedBy: c.GetString("username"),
	}
	h.db.Create(&item)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) UpdateRegistry(c *gin.Context) {
	var item models.PipelineRegistry
	if err := h.db.First(&item, c.Param("id")); err.Error != nil {
		c.JSON(http.StatusNotFound, models.Response{Code: 404, Message: "不存在"})
		return
	}
	var req struct {
		Name         *string                   `json:"name"`
		Description  *string                   `json:"description"`
		RegistryURL  *string                   `json:"registry_url"`
		Namespace    *string                   `json:"namespace"`
		AuthType     *models.RegistryAuthType  `json:"auth_type"`
		CredentialID *uint                     `json:"credential_id"`
		Enabled      *bool                     `json:"enabled"`
	}
	c.ShouldBindJSON(&req)
	updates := map[string]interface{}{}
	if req.Name != nil { updates["name"] = *req.Name }
	if req.Description != nil { updates["description"] = *req.Description }
	if req.RegistryURL != nil { updates["registry_url"] = *req.RegistryURL }
	if req.Namespace != nil { updates["namespace"] = *req.Namespace }
	if req.AuthType != nil { updates["auth_type"] = *req.AuthType }
	if req.Enabled != nil { updates["enabled"] = *req.Enabled }
	if req.CredentialID != nil { updates["credential_id"] = req.CredentialID }
	h.db.Model(&item).Updates(updates)
	h.db.First(&item, item.ID)
	c.JSON(http.StatusOK, models.Response{Code: 200, Data: item})
}

func (h *DeployHandler) DeleteRegistry(c *gin.Context) {
	h.db.Delete(&models.PipelineRegistry{}, c.Param("id"))
	c.JSON(http.StatusOK, models.Response{Code: 200, Message: "已删除"})
}