package web

import (
	"io/fs"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/jackc/pgx/v5/pgxpool"
	"github.com/mattnite/cairn/internal/blob"
	"github.com/mattnite/cairn/internal/forgejo"
	"github.com/mattnite/cairn/internal/handler"
	assets "github.com/mattnite/cairn/web"
)

type RouterConfig struct {
	Pool          *pgxpool.Pool
	Store         blob.Store
	ForgejoClient *forgejo.Client
	WebhookSecret string
}

func NewRouter(cfg RouterConfig) (*gin.Engine, error) {
	templates, err := LoadTemplates()
	if err != nil {
		return nil, err
	}

	forgejoSync := &forgejo.Sync{Client: cfg.ForgejoClient, Pool: cfg.Pool}

	pages := &PageHandler{Pool: cfg.Pool, Templates: templates}
	ingest := &handler.IngestHandler{Pool: cfg.Pool, Store: cfg.Store, ForgejoSync: forgejoSync}
	artifactAPI := &handler.ArtifactHandler{Pool: cfg.Pool}
	download := &handler.DownloadHandler{Pool: cfg.Pool, Store: cfg.Store}
	crashGroupAPI := &handler.CrashGroupHandler{Pool: cfg.Pool}
	searchAPI := &handler.SearchHandler{Pool: cfg.Pool}
	regressionAPI := &handler.RegressionHandler{Pool: cfg.Pool, ForgejoSync: forgejoSync}
	campaignAPI := &handler.CampaignHandler{Pool: cfg.Pool}
	dashboardAPI := &handler.DashboardHandler{Pool: cfg.Pool}
	webhookH := &handler.WebhookHandler{Sync: forgejoSync, Secret: cfg.WebhookSecret}

	gin.SetMode(gin.ReleaseMode)
	r := gin.New()
	r.Use(LoggingMiddleware(), RecoveryMiddleware())

	// Static files
	staticFS, err := fs.Sub(assets.Assets, "static")
	if err != nil {
		return nil, err
	}
	r.StaticFS("/static", http.FS(staticFS))

	// HTML pages
	r.GET("/", pages.Index)
	r.GET("/artifacts", pages.Artifacts)
	r.GET("/artifacts/:id", pages.ArtifactDetail)
	r.GET("/repos", pages.Repos)
	r.GET("/crashgroups", pages.CrashGroups)
	r.GET("/crashgroups/:id", pages.CrashGroupDetail)
	r.GET("/campaigns", pages.Campaigns)
	r.GET("/campaigns/:id", pages.CampaignDetail)
	r.GET("/search", pages.Search)
	r.GET("/regression", pages.Regression)

	// JSON API
	api := r.Group("/api/v1")
	api.POST("/artifacts", ingest.Create)
	api.GET("/artifacts", artifactAPI.List)
	api.GET("/artifacts/:id", artifactAPI.Detail)
	api.GET("/artifacts/:id/download", download.Download)
	api.GET("/crashgroups", crashGroupAPI.List)
	api.GET("/crashgroups/:id", crashGroupAPI.Detail)
	api.GET("/search", searchAPI.Search)
	api.POST("/regression/check", regressionAPI.Check)
	api.POST("/campaigns", campaignAPI.Create)
	api.GET("/campaigns", campaignAPI.List)
	api.GET("/campaigns/:id", campaignAPI.Detail)
	api.POST("/campaigns/:id/finish", campaignAPI.Finish)
	api.GET("/dashboard", dashboardAPI.Stats)

	// Webhooks
	r.POST("/webhooks/forgejo", webhookH.Handle)

	return r, nil
}