package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"flowstack/internal/database"
	"flowstack/internal/model"
)

// argoApps 模拟 Argo CD 应用状态（演示用）
var argoApps = []gin.H{
	{"metadata": gin.H{"name": "aiops-backend"},
		"spec": gin.H{"source": gin.H{"repoURL": "https://gitea.91ai.io/rlwj-lab/aiops-gitops.git", "path": "apps/aiops-backend", "targetRevision": "main"}, "destination": gin.H{"server": "https://k8s.prod", "namespace": "aiops"}},
		"status": gin.H{"sync": gin.H{"status": "Synced"}, "health": gin.H{"status": "Healthy"}, "operationState": gin.H{"phase": "Succeeded"}}},
	{"metadata": gin.H{"name": "aiops-web"},
		"spec": gin.H{"source": gin.H{"repoURL": "https://gitea.91ai.io/rlwj-lab/aiops-gitops.git", "path": "apps/aiops-web", "targetRevision": "main"}, "destination": gin.H{"server": "https://k8s.prod", "namespace": "aiops"}},
		"status": gin.H{"sync": gin.H{"status": "OutOfSync"}, "health": gin.H{"status": "Progressing"}, "operationState": gin.H{"phase": "Running"}}},
}

// ListGitOpsApps GET /api/gitops/apps
func ListGitOpsApps(c *gin.Context) {
	var apps []model.Application
	database.DB.Order("updated_at DESC").Find(&apps)
	c.JSON(http.StatusOK, apps)
}

// ArgoList GET /api/gitops/argo/apps
func ArgoList(c *gin.Context) {
	c.JSON(http.StatusOK, argoApps)
}

// ArgoSync POST /api/gitops/argo/sync {appName}
func ArgoSync(c *gin.Context) {
	var body struct {
		AppName string `json:"appName" binding:"required"`
	}
	if err := c.ShouldBindJSON(&body); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "appName required"})
		return
	}
	c.JSON(http.StatusOK, gin.H{"success": true, "appName": body.AppName, "message": "Sync triggered"})
}

// ArgoResourceTree GET /api/gitops/argo/:appName/tree
func ArgoResourceTree(c *gin.Context) {
	name := c.Param("appName")
	c.JSON(http.StatusOK, gin.H{
		"nodes": []gin.H{
			{"uid": "1", "name": name + "-deployment", "kind": "Deployment", "namespace": "aiops", "status": "healthy", "resourceVersion": "v1"},
			{"uid": "2", "name": name + "-svc", "kind": "Service", "namespace": "aiops", "status": "healthy", "resourceVersion": "v1"},
			{"uid": "3", "name": name + "-hpa", "kind": "HorizontalPodAutoscaler", "namespace": "aiops", "status": "healthy", "resourceVersion": "v2"},
		},
		"edges": []gin.H{{"source": "1", "target": "2"}, {"source": "1", "target": "3"}},
	})
}

// ArgoDiff GET /api/gitops/argo/:appName/diff
func ArgoDiff(c *gin.Context) {
	name := c.Param("appName")
	c.JSON(http.StatusOK, gin.H{
		"diffs": []gin.H{
			{"kind": "Deployment", "name": name, "namespace": "aiops", "diff": "- image: registry.example.com/aiops/" + name + ":202610261130\n+ image: registry.example.com/aiops/" + name + ":202610271200", "status": "modified"},
		},
	})
}