-- CreateEnum
CREATE TYPE "TrackPointEvent" AS ENUM ('LOCATION_ADDED', 'VISIT_RECORDED', 'SESSION_STARTED', 'SESSION_ENDED');

-- CreateTable
CREATE TABLE "tracking_sessions" (
    "id" TEXT NOT NULL,
    "userId" TEXT NOT NULL,
    "canvassSessionId" TEXT,
    "startedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "endedAt" TIMESTAMP(3),
    "isActive" BOOLEAN NOT NULL DEFAULT true,
    "totalPoints" INTEGER NOT NULL DEFAULT 0,
    "totalDistanceM" DOUBLE PRECISION NOT NULL DEFAULT 0,
    "lastLatitude" DECIMAL(10,8),
    "lastLongitude" DECIMAL(11,8),
    "lastRecordedAt" TIMESTAMP(3),

    CONSTRAINT "tracking_sessions_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "track_points" (
    "id" TEXT NOT NULL,
    "trackingSessionId" TEXT NOT NULL,
    "latitude" DECIMAL(10,8) NOT NULL,
    "longitude" DECIMAL(11,8) NOT NULL,
    "accuracy" DOUBLE PRECISION,
    "recordedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "eventType" "TrackPointEvent",

    CONSTRAINT "track_points_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE UNIQUE INDEX "tracking_sessions_canvassSessionId_key" ON "tracking_sessions"("canvassSessionId");

-- CreateIndex
CREATE INDEX "tracking_sessions_userId_idx" ON "tracking_sessions"("userId");

-- CreateIndex
CREATE INDEX "tracking_sessions_isActive_idx" ON "tracking_sessions"("isActive");

-- CreateIndex
CREATE INDEX "tracking_sessions_isActive_lastRecordedAt_idx" ON "tracking_sessions"("isActive", "lastRecordedAt");

-- CreateIndex
CREATE INDEX "track_points_trackingSessionId_recordedAt_idx" ON "track_points"("trackingSessionId", "recordedAt");

-- CreateIndex
CREATE INDEX "track_points_recordedAt_idx" ON "track_points"("recordedAt");

-- AddForeignKey
ALTER TABLE "tracking_sessions" ADD CONSTRAINT "tracking_sessions_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "tracking_sessions" ADD CONSTRAINT "tracking_sessions_canvassSessionId_fkey" FOREIGN KEY ("canvassSessionId") REFERENCES "canvass_sessions"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "track_points" ADD CONSTRAINT "track_points_trackingSessionId_fkey" FOREIGN KEY ("trackingSessionId") REFERENCES "tracking_sessions"("id") ON DELETE CASCADE ON UPDATE CASCADE;