package server

import (
	"database/sql"
	"encoding/json"
	"net/http"
)

type insiderTradeRow struct {
	ID              int     `json:"id"`
	Ticker          string  `json:"ticker"`
	InsiderName     string  `json:"insider_name"`
	InsiderTitle    string  `json:"insider_title"`
	TransactionCode string  `json:"transaction_code"`
	Shares          float64 `json:"shares"`
	Price           float64 `json:"price"`
	TotalValue      float64 `json:"total_value"`
	TransactionDate string  `json:"transaction_date"`
	FilingURL       string  `json:"filing_url"`
}

func (s *Server) handleGetInsiderTrades(w http.ResponseWriter, r *http.Request) {
	ticker := r.URL.Query().Get("ticker")

	base := `
		SELECT id, ticker, COALESCE(insider_name,''), COALESCE(insider_title,''),
		       COALESCE(transaction_code,''), COALESCE(shares,0), COALESCE(price,0),
		       COALESCE(total_value,0), COALESCE(transaction_date,''), COALESCE(filing_url,'')
		FROM insider_trades`

	var rows *sql.Rows
	var err error
	if ticker != "" {
		rows, err = s.db.Query(base+` WHERE ticker = ? ORDER BY transaction_date DESC LIMIT 100`, ticker)
	} else {
		rows, err = s.db.Query(base + ` ORDER BY transaction_date DESC LIMIT 200`)
	}
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	defer rows.Close()

	trades := []insiderTradeRow{}
	for rows.Next() {
		var t insiderTradeRow
		if err := rows.Scan(
			&t.ID, &t.Ticker, &t.InsiderName, &t.InsiderTitle,
			&t.TransactionCode, &t.Shares, &t.Price, &t.TotalValue,
			&t.TransactionDate, &t.FilingURL,
		); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		trades = append(trades, t)
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(trades)
}

func (s *Server) handleSyncInsider(w http.ResponseWriter, r *http.Request) {
	go func() { s.edgarPoller.Sync() }()
	w.Header().Set("Content-Type", "application/json")
	w.Write([]byte(`{"status":"syncing"}`))
}